18509700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 59996160

約数和(自身を除く): 41486460

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 71, 75, 79, 100, 110, 132, 142, 150, 158, 165, 213, 220, 237, 275, 284, 300, 316, 330, 355, 395, 426, 474, 550, 660, 710, 781, 790, 825, 852, 869, 948, 1065, 1100, 1185, 1420, 1562, 1580, 1650, 1738, 1775, 1975, 2130, 2343, 2370, 2607, 3124, 3300, 3476, 3550, 3905, 3950, 4260, 4345, 4686, 4740, 5214, 5325, 5609, 5925, 7100, 7810, 7900, 8690, 9372, 10428, 10650, 11218, 11715, 11850, 13035, 15620, 16827, 17380, 19525, 21300, 21725, 22436, 23430, 23700, 26070, 28045, 33654, 39050, 43450, 46860, 52140, 56090, 58575, 61699, 65175, 67308, 78100, 84135, 86900, 112180, 117150, 123398, 130350, 140225, 168270, 185097, 234300, 246796, 260700, 280450, 308495, 336540, 370194, 420675, 560900, 616990, 740388, 841350, 925485, 1233980, 1542475, 1682700, 1850970, 3084950, 3701940, 4627425, 6169900, 9254850, 18509700]

約数ペア:

[(1, 18509700), (2, 9254850), (3, 6169900), (4, 4627425), (5, 3701940), (6, 3084950), (10, 1850970), (11, 1682700), (12, 1542475), (15, 1233980), (20, 925485), (22, 841350), (25, 740388), (30, 616990), (33, 560900), (44, 420675), (50, 370194), (55, 336540), (60, 308495), (66, 280450), (71, 260700), (75, 246796), (79, 234300), (100, 185097), (110, 168270), (132, 140225), (142, 130350), (150, 123398), (158, 117150), (165, 112180), (213, 86900), (220, 84135), (237, 78100), (275, 67308), (284, 65175), (300, 61699), (316, 58575), (330, 56090), (355, 52140), (395, 46860), (426, 43450), (474, 39050), (550, 33654), (660, 28045), (710, 26070), (781, 23700), (790, 23430), (825, 22436), (852, 21725), (869, 21300), (948, 19525), (1065, 17380), (1100, 16827), (1185, 15620), (1420, 13035), (1562, 11850), (1580, 11715), (1650, 11218), (1738, 10650), (1775, 10428), (1975, 9372), (2130, 8690), (2343, 7900), (2370, 7810), (2607, 7100), (3124, 5925), (3300, 5609), (3476, 5325), (3550, 5214), (3905, 4740), (3950, 4686), (4260, 4345)]