18699642

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 43996680

約数和(自身を除く): 25297038

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 157, 234, 314, 471, 509, 942, 1018, 1413, 1527, 2041, 2826, 3054, 4082, 4581, 6123, 6617, 9162, 12246, 13234, 18369, 19851, 36738, 39702, 59553, 79913, 119106, 159826, 239739, 479478, 719217, 1038869, 1438434, 2077738, 3116607, 6233214, 9349821, 18699642]

約数ペア:

[(1, 18699642), (2, 9349821), (3, 6233214), (6, 3116607), (9, 2077738), (13, 1438434), (18, 1038869), (26, 719217), (39, 479478), (78, 239739), (117, 159826), (157, 119106), (234, 79913), (314, 59553), (471, 39702), (509, 36738), (942, 19851), (1018, 18369), (1413, 13234), (1527, 12246), (2041, 9162), (2826, 6617), (3054, 6123), (4082, 4581)]