18773880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1549}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 56916000

約数和(自身を除く): 38142120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1549, 2020, 2424, 3030, 3098, 4040, 4647, 6060, 6196, 7745, 9294, 12120, 12392, 15490, 18588, 23235, 30980, 37176, 46470, 61960, 92940, 156449, 185880, 312898, 469347, 625796, 782245, 938694, 1251592, 1564490, 1877388, 2346735, 3128980, 3754776, 4693470, 6257960, 9386940, 18773880]

約数ペア:

[(1, 18773880), (2, 9386940), (3, 6257960), (4, 4693470), (5, 3754776), (6, 3128980), (8, 2346735), (10, 1877388), (12, 1564490), (15, 1251592), (20, 938694), (24, 782245), (30, 625796), (40, 469347), (60, 312898), (101, 185880), (120, 156449), (202, 92940), (303, 61960), (404, 46470), (505, 37176), (606, 30980), (808, 23235), (1010, 18588), (1212, 15490), (1515, 12392), (1549, 12120), (2020, 9294), (2424, 7745), (3030, 6196), (3098, 6060), (4040, 4647)]