19909260

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:277

約数の個数: 192

約数和(自身を含む): 74188800

約数和(自身を除く): 54279540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 84, 90, 92, 105, 108, 115, 126, 135, 138, 140, 161, 180, 189, 207, 210, 229, 230, 252, 270, 276, 315, 322, 345, 378, 414, 420, 458, 460, 483, 540, 621, 630, 644, 687, 690, 756, 805, 828, 916, 945, 966, 1035, 1145, 1242, 1260, 1374, 1380, 1449, 1603, 1610, 1890, 1932, 2061, 2070, 2290, 2415, 2484, 2748, 2898, 3105, 3206, 3220, 3435, 3780, 4122, 4140, 4347, 4580, 4809, 4830, 5267, 5796, 6183, 6210, 6412, 6870, 7245, 8015, 8244, 8694, 9618, 9660, 10305, 10534, 12366, 12420, 13740, 14427, 14490, 15801, 16030, 17388, 19236, 20610, 21068, 21735, 24045, 24732, 26335, 28854, 28980, 30915, 31602, 32060, 36869, 41220, 43281, 43470, 47403, 48090, 52670, 57708, 61830, 63204, 72135, 73738, 79005, 86562, 86940, 94806, 96180, 105340, 110607, 123660, 142209, 144270, 147476, 158010, 173124, 184345, 189612, 216405, 221214, 237015, 284418, 288540, 316020, 331821, 368690, 432810, 442428, 474030, 553035, 568836, 663642, 711045, 737380, 865620, 948060, 995463, 1106070, 1327284, 1422090, 1659105, 1990926, 2212140, 2844180, 3318210, 3981852, 4977315, 6636420, 9954630, 19909260]

約数ペア:

[(1, 19909260), (2, 9954630), (3, 6636420), (4, 4977315), (5, 3981852), (6, 3318210), (7, 2844180), (9, 2212140), (10, 1990926), (12, 1659105), (14, 1422090), (15, 1327284), (18, 1106070), (20, 995463), (21, 948060), (23, 865620), (27, 737380), (28, 711045), (30, 663642), (35, 568836), (36, 553035), (42, 474030), (45, 442428), (46, 432810), (54, 368690), (60, 331821), (63, 316020), (69, 288540), (70, 284418), (84, 237015), (90, 221214), (92, 216405), (105, 189612), (108, 184345), (115, 173124), (126, 158010), (135, 147476), (138, 144270), (140, 142209), (161, 123660), (180, 110607), (189, 105340), (207, 96180), (210, 94806), (229, 86940), (230, 86562), (252, 79005), (270, 73738), (276, 72135), (315, 63204), (322, 61830), (345, 57708), (378, 52670), (414, 48090), (420, 47403), (458, 43470), (460, 43281), (483, 41220), (540, 36869), (621, 32060), (630, 31602), (644, 30915), (687, 28980), (690, 28854), (756, 26335), (805, 24732), (828, 24045), (916, 21735), (945, 21068), (966, 20610), (1035, 19236), (1145, 17388), (1242, 16030), (1260, 15801), (1374, 14490), (1380, 14427), (1449, 13740), (1603, 12420), (1610, 12366), (1890, 10534), (1932, 10305), (2061, 9660), (2070, 9618), (2290, 8694), (2415, 8244), (2484, 8015), (2748, 7245), (2898, 6870), (3105, 6412), (3206, 6210), (3220, 6183), (3435, 5796), (3780, 5267), (4122, 4830), (4140, 4809), (4347, 4580)]