18478543251

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{953}}^1\times {\mathrm{13781}}^1$

素因数の和:14811

約数の個数: 32

約数和(自身を含む): 28610108928

約数和(自身を除く): 10131565677

約数列:

[1, 3, 7, 21, 67, 201, 469, 953, 1407, 2859, 6671, 13781, 20013, 41343, 63851, 96467, 191553, 289401, 446957, 923327, 1340871, 2769981, 6463289, 13133293, 19389867, 39399879, 91933051, 275799153, 879930631, 2639791893, 6159514417, 18478543251]

約数ペア:

[(1, 18478543251), (3, 6159514417), (7, 2639791893), (21, 879930631), (67, 275799153), (201, 91933051), (469, 39399879), (953, 19389867), (1407, 13133293), (2859, 6463289), (6671, 2769981), (13781, 1340871), (20013, 923327), (41343, 446957), (63851, 289401), (96467, 191553)]