18642474

素因数分解:

$2^1\times 3^5\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 23814486

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 89, 162, 178, 243, 267, 431, 486, 534, 801, 862, 1293, 1602, 2403, 2586, 3879, 4806, 7209, 7758, 11637, 14418, 21627, 23274, 34911, 38359, 43254, 69822, 76718, 104733, 115077, 209466, 230154, 345231, 690462, 1035693, 2071386, 3107079, 6214158, 9321237, 18642474]

約数ペア:

[(1, 18642474), (2, 9321237), (3, 6214158), (6, 3107079), (9, 2071386), (18, 1035693), (27, 690462), (54, 345231), (81, 230154), (89, 209466), (162, 115077), (178, 104733), (243, 76718), (267, 69822), (431, 43254), (486, 38359), (534, 34911), (801, 23274), (862, 21627), (1293, 14418), (1602, 11637), (2403, 7758), (2586, 7209), (3879, 4806)]