19793340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 71705088

約数和(自身を除く): 51911748

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 683, 690, 805, 828, 966, 1035, 1260, 1366, 1380, 1449, 1610, 1932, 2049, 2070, 2415, 2732, 2898, 3220, 3415, 4098, 4140, 4781, 4830, 5796, 6147, 6830, 7245, 8196, 9562, 9660, 10245, 12294, 13660, 14343, 14490, 15709, 19124, 20490, 23905, 24588, 28686, 28980, 30735, 31418, 40980, 43029, 47127, 47810, 57372, 61470, 62836, 71715, 78545, 86058, 94254, 95620, 109963, 122940, 141381, 143430, 157090, 172116, 188508, 215145, 219926, 235635, 282762, 286860, 314180, 329889, 430290, 439852, 471270, 549815, 565524, 659778, 706905, 860580, 942540, 989667, 1099630, 1319556, 1413810, 1649445, 1979334, 2199260, 2827620, 3298890, 3958668, 4948335, 6597780, 9896670, 19793340]

約数ペア:

[(1, 19793340), (2, 9896670), (3, 6597780), (4, 4948335), (5, 3958668), (6, 3298890), (7, 2827620), (9, 2199260), (10, 1979334), (12, 1649445), (14, 1413810), (15, 1319556), (18, 1099630), (20, 989667), (21, 942540), (23, 860580), (28, 706905), (30, 659778), (35, 565524), (36, 549815), (42, 471270), (45, 439852), (46, 430290), (60, 329889), (63, 314180), (69, 286860), (70, 282762), (84, 235635), (90, 219926), (92, 215145), (105, 188508), (115, 172116), (126, 157090), (138, 143430), (140, 141381), (161, 122940), (180, 109963), (207, 95620), (210, 94254), (230, 86058), (252, 78545), (276, 71715), (315, 62836), (322, 61470), (345, 57372), (414, 47810), (420, 47127), (460, 43029), (483, 40980), (630, 31418), (644, 30735), (683, 28980), (690, 28686), (805, 24588), (828, 23905), (966, 20490), (1035, 19124), (1260, 15709), (1366, 14490), (1380, 14343), (1449, 13660), (1610, 12294), (1932, 10245), (2049, 9660), (2070, 9562), (2415, 8196), (2732, 7245), (2898, 6830), (3220, 6147), (3415, 5796), (4098, 4830), (4140, 4781)]