18777252

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 48698496

約数和(自身を除く): 29921244

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 169, 188, 197, 282, 338, 394, 507, 564, 591, 611, 676, 788, 1014, 1182, 1222, 1833, 2028, 2364, 2444, 2561, 3666, 5122, 7332, 7683, 7943, 9259, 10244, 15366, 15886, 18518, 23829, 27777, 30732, 31772, 33293, 37036, 47658, 55554, 66586, 95316, 99879, 111108, 120367, 133172, 199758, 240734, 361101, 399516, 481468, 722202, 1444404, 1564771, 3129542, 4694313, 6259084, 9388626, 18777252]

約数ペア:

[(1, 18777252), (2, 9388626), (3, 6259084), (4, 4694313), (6, 3129542), (12, 1564771), (13, 1444404), (26, 722202), (39, 481468), (47, 399516), (52, 361101), (78, 240734), (94, 199758), (141, 133172), (156, 120367), (169, 111108), (188, 99879), (197, 95316), (282, 66586), (338, 55554), (394, 47658), (507, 37036), (564, 33293), (591, 31772), (611, 30732), (676, 27777), (788, 23829), (1014, 18518), (1182, 15886), (1222, 15366), (1833, 10244), (2028, 9259), (2364, 7943), (2444, 7683), (2561, 7332), (3666, 5122)]