18390888

素因数分解:

$2^3\times 3^4\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 52206660

約数和(自身を除く): 33815772

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 101, 108, 162, 202, 216, 281, 303, 324, 404, 562, 606, 648, 808, 843, 909, 1124, 1212, 1686, 1818, 2248, 2424, 2529, 2727, 3372, 3636, 5058, 5454, 6744, 7272, 7587, 8181, 10116, 10908, 15174, 16362, 20232, 21816, 22761, 28381, 30348, 32724, 45522, 56762, 60696, 65448, 85143, 91044, 113524, 170286, 182088, 227048, 255429, 340572, 510858, 681144, 766287, 1021716, 1532574, 2043432, 2298861, 3065148, 4597722, 6130296, 9195444, 18390888]

約数ペア:

[(1, 18390888), (2, 9195444), (3, 6130296), (4, 4597722), (6, 3065148), (8, 2298861), (9, 2043432), (12, 1532574), (18, 1021716), (24, 766287), (27, 681144), (36, 510858), (54, 340572), (72, 255429), (81, 227048), (101, 182088), (108, 170286), (162, 113524), (202, 91044), (216, 85143), (281, 65448), (303, 60696), (324, 56762), (404, 45522), (562, 32724), (606, 30348), (648, 28381), (808, 22761), (843, 21816), (909, 20232), (1124, 16362), (1212, 15174), (1686, 10908), (1818, 10116), (2248, 8181), (2424, 7587), (2529, 7272), (2727, 6744), (3372, 5454), (3636, 5058)]