18888907115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1\times {\mathrm{7229}}^1$

素因数の和:7967

約数の個数: 32

約数和(自身を含む): 24851534400

約数和(自身を除く): 5962627285

約数列:

[1, 5, 13, 61, 65, 305, 659, 793, 3295, 3965, 7229, 8567, 36145, 40199, 42835, 93977, 200995, 440969, 469885, 522587, 2204845, 2612935, 4763911, 5732597, 23819555, 28662985, 61930843, 290598571, 309654215, 1452992855, 3777781423, 18888907115]

約数ペア:

[(1, 18888907115), (5, 3777781423), (13, 1452992855), (61, 309654215), (65, 290598571), (305, 61930843), (659, 28662985), (793, 23819555), (3295, 5732597), (3965, 4763911), (7229, 2612935), (8567, 2204845), (36145, 522587), (40199, 469885), (42835, 440969), (93977, 200995)]