18871074

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 42254784

約数和(自身を除く): 23383710

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 131, 151, 159, 262, 302, 318, 393, 453, 477, 786, 906, 954, 1179, 1359, 2358, 2718, 6943, 8003, 13886, 16006, 19781, 20829, 24009, 39562, 41658, 48018, 59343, 62487, 72027, 118686, 124974, 144054, 178029, 356058, 1048393, 2096786, 3145179, 6290358, 9435537, 18871074]

約数ペア:

[(1, 18871074), (2, 9435537), (3, 6290358), (6, 3145179), (9, 2096786), (18, 1048393), (53, 356058), (106, 178029), (131, 144054), (151, 124974), (159, 118686), (262, 72027), (302, 62487), (318, 59343), (393, 48018), (453, 41658), (477, 39562), (786, 24009), (906, 20829), (954, 19781), (1179, 16006), (1359, 13886), (2358, 8003), (2718, 6943)]