18666420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5273}}^1$

素因数の和:5344

約数の個数: 48

約数和(自身を含む): 53161920

約数和(自身を除く): 34495500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 5273, 10546, 15819, 21092, 26365, 31638, 52730, 63276, 79095, 105460, 158190, 311107, 316380, 622214, 933321, 1244428, 1555535, 1866642, 3111070, 3733284, 4666605, 6222140, 9333210, 18666420]

約数ペア:

[(1, 18666420), (2, 9333210), (3, 6222140), (4, 4666605), (5, 3733284), (6, 3111070), (10, 1866642), (12, 1555535), (15, 1244428), (20, 933321), (30, 622214), (59, 316380), (60, 311107), (118, 158190), (177, 105460), (236, 79095), (295, 63276), (354, 52730), (590, 31638), (708, 26365), (885, 21092), (1180, 15819), (1770, 10546), (3540, 5273)]