20161963278

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{117203}}^1$

素因数の和:117733

約数の個数: 48

約数和(自身を含む): 46075236480

約数和(自身を除く): 25913273202

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 503, 1006, 1509, 3018, 4527, 9054, 9557, 19114, 28671, 57342, 86013, 117203, 172026, 234406, 351609, 703218, 1054827, 2109654, 2226857, 4453714, 6680571, 13361142, 20041713, 40083426, 58953109, 117906218, 176859327, 353718654, 530577981, 1061155962, 1120109071, 2240218142, 3360327213, 6720654426, 10080981639, 20161963278]

約数ペア:

[(1, 20161963278), (2, 10080981639), (3, 6720654426), (6, 3360327213), (9, 2240218142), (18, 1120109071), (19, 1061155962), (38, 530577981), (57, 353718654), (114, 176859327), (171, 117906218), (342, 58953109), (503, 40083426), (1006, 20041713), (1509, 13361142), (3018, 6680571), (4527, 4453714), (9054, 2226857), (9557, 2109654), (19114, 1054827), (28671, 703218), (57342, 351609), (86013, 234406), (117203, 172026)]