18801926838

素因数分解:

$2^1\times 3^2\times {\mathrm{211}}^1\times {\mathrm{2213}}^1\times {\mathrm{2237}}^1$

素因数の和:4669

約数の個数: 48

約数和(自身を含む): 40967377776

約数和(自身を除く): 22165450938

約数列:

[1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899, 2213, 2237, 3798, 4426, 4474, 6639, 6711, 13278, 13422, 19917, 20133, 39834, 40266, 466943, 472007, 933886, 944014, 1400829, 1416021, 2801658, 2832042, 4202487, 4248063, 4950481, 8404974, 8496126, 9900962, 14851443, 29702886, 44554329, 89108658, 1044551491, 2089102982, 3133654473, 6267308946, 9400963419, 18801926838]

約数ペア:

[(1, 18801926838), (2, 9400963419), (3, 6267308946), (6, 3133654473), (9, 2089102982), (18, 1044551491), (211, 89108658), (422, 44554329), (633, 29702886), (1266, 14851443), (1899, 9900962), (2213, 8496126), (2237, 8404974), (3798, 4950481), (4426, 4248063), (4474, 4202487), (6639, 2832042), (6711, 2801658), (13278, 1416021), (13422, 1400829), (19917, 944014), (20133, 933886), (39834, 472007), (40266, 466943)]