18565456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 45497088

約数和(自身を除く): 26931632

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 52, 56, 82, 91, 104, 112, 164, 182, 208, 287, 311, 328, 364, 533, 574, 622, 656, 728, 1066, 1148, 1244, 1456, 2132, 2177, 2296, 2488, 3731, 4043, 4264, 4354, 4592, 4976, 7462, 8086, 8528, 8708, 12751, 14924, 16172, 17416, 25502, 28301, 29848, 32344, 34832, 51004, 56602, 59696, 64688, 89257, 102008, 113204, 165763, 178514, 204016, 226408, 331526, 357028, 452816, 663052, 714056, 1160341, 1326104, 1428112, 2320682, 2652208, 4641364, 9282728, 18565456]

約数ペア:

[(1, 18565456), (2, 9282728), (4, 4641364), (7, 2652208), (8, 2320682), (13, 1428112), (14, 1326104), (16, 1160341), (26, 714056), (28, 663052), (41, 452816), (52, 357028), (56, 331526), (82, 226408), (91, 204016), (104, 178514), (112, 165763), (164, 113204), (182, 102008), (208, 89257), (287, 64688), (311, 59696), (328, 56602), (364, 51004), (533, 34832), (574, 32344), (622, 29848), (656, 28301), (728, 25502), (1066, 17416), (1148, 16172), (1244, 14924), (1456, 12751), (2132, 8708), (2177, 8528), (2296, 8086), (2488, 7462), (3731, 4976), (4043, 4592), (4264, 4354)]