19690716

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 27483684

約数列:

[1, 2, 3, 4, 6, 12, 89, 103, 178, 179, 206, 267, 309, 356, 358, 412, 534, 537, 618, 716, 1068, 1074, 1236, 2148, 9167, 15931, 18334, 18437, 27501, 31862, 36668, 36874, 47793, 55002, 55311, 63724, 73748, 95586, 110004, 110622, 191172, 221244, 1640893, 3281786, 4922679, 6563572, 9845358, 19690716]

約数ペア:

[(1, 19690716), (2, 9845358), (3, 6563572), (4, 4922679), (6, 3281786), (12, 1640893), (89, 221244), (103, 191172), (178, 110622), (179, 110004), (206, 95586), (267, 73748), (309, 63724), (356, 55311), (358, 55002), (412, 47793), (534, 36874), (537, 36668), (618, 31862), (716, 27501), (1068, 18437), (1074, 18334), (1236, 15931), (2148, 9167)]