18766890

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{7723}}^1$

素因数の和:7745

約数の個数: 48

約数和(自身を含む): 50607648

約数和(自身を除く): 31840758

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 7723, 15446, 23169, 38615, 46338, 69507, 77230, 115845, 139014, 208521, 231690, 347535, 417042, 625563, 695070, 1042605, 1251126, 1876689, 2085210, 3127815, 3753378, 6255630, 9383445, 18766890]

約数ペア:

[(1, 18766890), (2, 9383445), (3, 6255630), (5, 3753378), (6, 3127815), (9, 2085210), (10, 1876689), (15, 1251126), (18, 1042605), (27, 695070), (30, 625563), (45, 417042), (54, 347535), (81, 231690), (90, 208521), (135, 139014), (162, 115845), (243, 77230), (270, 69507), (405, 46338), (486, 38615), (810, 23169), (1215, 15446), (2430, 7723)]