2018231658

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{419}}^1\times {\mathrm{3769}}^1$

素因数の和:4267

約数の個数: 48

約数和(自身を含む): 4446187200

約数和(自身を除く): 2427955542

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 419, 426, 639, 838, 1257, 1278, 2514, 3769, 3771, 7538, 7542, 11307, 22614, 29749, 33921, 59498, 67842, 89247, 178494, 267599, 267741, 535198, 535482, 802797, 1579211, 1605594, 2408391, 3158422, 4737633, 4816782, 9475266, 14212899, 28425798, 112123981, 224247962, 336371943, 672743886, 1009115829, 2018231658]

約数ペア:

[(1, 2018231658), (2, 1009115829), (3, 672743886), (6, 336371943), (9, 224247962), (18, 112123981), (71, 28425798), (142, 14212899), (213, 9475266), (419, 4816782), (426, 4737633), (639, 3158422), (838, 2408391), (1257, 1605594), (1278, 1579211), (2514, 802797), (3769, 535482), (3771, 535198), (7538, 267741), (7542, 267599), (11307, 178494), (22614, 89247), (29749, 67842), (33921, 59498)]