18585710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 40388544

約数和(自身を除く): 21802834

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 41, 55, 65, 82, 110, 130, 143, 205, 286, 317, 410, 451, 533, 634, 715, 902, 1066, 1430, 1585, 2255, 2665, 3170, 3487, 4121, 4510, 5330, 5863, 6974, 8242, 11726, 12997, 17435, 20605, 25994, 29315, 34870, 41210, 45331, 58630, 64985, 90662, 129970, 142967, 168961, 226655, 285934, 337922, 453310, 714835, 844805, 1429670, 1689610, 1858571, 3717142, 9292855, 18585710]

約数ペア:

[(1, 18585710), (2, 9292855), (5, 3717142), (10, 1858571), (11, 1689610), (13, 1429670), (22, 844805), (26, 714835), (41, 453310), (55, 337922), (65, 285934), (82, 226655), (110, 168961), (130, 142967), (143, 129970), (205, 90662), (286, 64985), (317, 58630), (410, 45331), (451, 41210), (533, 34870), (634, 29315), (715, 25994), (902, 20605), (1066, 17435), (1430, 12997), (1585, 11726), (2255, 8242), (2665, 6974), (3170, 5863), (3487, 5330), (4121, 4510)]