18808860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2357}}^1$

素因数の和:2395

約数の個数: 96

約数和(自身を含む): 63383040

約数和(自身を除く): 44574180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2357, 2660, 3990, 4714, 7071, 7980, 9428, 11785, 14142, 16499, 23570, 28284, 32998, 35355, 44783, 47140, 49497, 65996, 70710, 82495, 89566, 98994, 134349, 141420, 164990, 179132, 197988, 223915, 247485, 268698, 313481, 329980, 447830, 494970, 537396, 626962, 671745, 895660, 940443, 989940, 1253924, 1343490, 1567405, 1880886, 2686980, 3134810, 3761772, 4702215, 6269620, 9404430, 18808860]

約数ペア:

[(1, 18808860), (2, 9404430), (3, 6269620), (4, 4702215), (5, 3761772), (6, 3134810), (7, 2686980), (10, 1880886), (12, 1567405), (14, 1343490), (15, 1253924), (19, 989940), (20, 940443), (21, 895660), (28, 671745), (30, 626962), (35, 537396), (38, 494970), (42, 447830), (57, 329980), (60, 313481), (70, 268698), (76, 247485), (84, 223915), (95, 197988), (105, 179132), (114, 164990), (133, 141420), (140, 134349), (190, 98994), (210, 89566), (228, 82495), (266, 70710), (285, 65996), (380, 49497), (399, 47140), (420, 44783), (532, 35355), (570, 32998), (665, 28284), (798, 23570), (1140, 16499), (1330, 14142), (1596, 11785), (1995, 9428), (2357, 7980), (2660, 7071), (3990, 4714)]