18626218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 31307472

約数和(自身を除く): 12681254

約数列:

[1, 2, 13, 26, 41, 82, 101, 173, 202, 346, 533, 1066, 1313, 2249, 2626, 4141, 4498, 7093, 8282, 14186, 17473, 34946, 53833, 92209, 107666, 184418, 227149, 454298, 716393, 1432786, 9313109, 18626218]

約数ペア:

[(1, 18626218), (2, 9313109), (13, 1432786), (26, 716393), (41, 454298), (82, 227149), (101, 184418), (173, 107666), (202, 92209), (346, 53833), (533, 34946), (1066, 17473), (1313, 14186), (2249, 8282), (2626, 7093), (4141, 4498)]