19666080

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{1951}}^1$

素因数の和:1979

約数の個数: 144

約数和(自身を含む): 76737024

約数和(自身を除く): 57070944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 1951, 2016, 2520, 3360, 3902, 5040, 5853, 7804, 9755, 10080, 11706, 13657, 15608, 17559, 19510, 23412, 27314, 29265, 31216, 35118, 39020, 40971, 46824, 54628, 58530, 62432, 68285, 70236, 78040, 81942, 87795, 93648, 109256, 117060, 122913, 136570, 140472, 156080, 163884, 175590, 187296, 204855, 218512, 234120, 245826, 273140, 280944, 312160, 327768, 351180, 409710, 437024, 468240, 491652, 546280, 561888, 614565, 655536, 702360, 819420, 936480, 983304, 1092560, 1229130, 1311072, 1404720, 1638840, 1966608, 2185120, 2458260, 2809440, 3277680, 3933216, 4916520, 6555360, 9833040, 19666080]

約数ペア:

[(1, 19666080), (2, 9833040), (3, 6555360), (4, 4916520), (5, 3933216), (6, 3277680), (7, 2809440), (8, 2458260), (9, 2185120), (10, 1966608), (12, 1638840), (14, 1404720), (15, 1311072), (16, 1229130), (18, 1092560), (20, 983304), (21, 936480), (24, 819420), (28, 702360), (30, 655536), (32, 614565), (35, 561888), (36, 546280), (40, 491652), (42, 468240), (45, 437024), (48, 409710), (56, 351180), (60, 327768), (63, 312160), (70, 280944), (72, 273140), (80, 245826), (84, 234120), (90, 218512), (96, 204855), (105, 187296), (112, 175590), (120, 163884), (126, 156080), (140, 140472), (144, 136570), (160, 122913), (168, 117060), (180, 109256), (210, 93648), (224, 87795), (240, 81942), (252, 78040), (280, 70236), (288, 68285), (315, 62432), (336, 58530), (360, 54628), (420, 46824), (480, 40971), (504, 39020), (560, 35118), (630, 31216), (672, 29265), (720, 27314), (840, 23412), (1008, 19510), (1120, 17559), (1260, 15608), (1440, 13657), (1680, 11706), (1951, 10080), (2016, 9755), (2520, 7804), (3360, 5853), (3902, 5040)]