18782532

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 49795200

約数和(自身を除く): 31012668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 59, 74, 111, 118, 148, 177, 222, 236, 239, 333, 354, 444, 478, 531, 666, 708, 717, 956, 1062, 1332, 1434, 2124, 2151, 2183, 2868, 4302, 4366, 6549, 8604, 8732, 8843, 13098, 14101, 17686, 19647, 26196, 26529, 28202, 35372, 39294, 42303, 53058, 56404, 78588, 79587, 84606, 106116, 126909, 159174, 169212, 253818, 318348, 507636, 521737, 1043474, 1565211, 2086948, 3130422, 4695633, 6260844, 9391266, 18782532]

約数ペア:

[(1, 18782532), (2, 9391266), (3, 6260844), (4, 4695633), (6, 3130422), (9, 2086948), (12, 1565211), (18, 1043474), (36, 521737), (37, 507636), (59, 318348), (74, 253818), (111, 169212), (118, 159174), (148, 126909), (177, 106116), (222, 84606), (236, 79587), (239, 78588), (333, 56404), (354, 53058), (444, 42303), (478, 39294), (531, 35372), (666, 28202), (708, 26529), (717, 26196), (956, 19647), (1062, 17686), (1332, 14101), (1434, 13098), (2124, 8843), (2151, 8732), (2183, 8604), (2868, 6549), (4302, 4366)]