19874875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 26836992

約数和(自身を除く): 6962117

約数列:

[1, 5, 23, 25, 31, 115, 125, 155, 223, 575, 713, 775, 1115, 2875, 3565, 3875, 5129, 5575, 6913, 17825, 25645, 27875, 34565, 89125, 128225, 158999, 172825, 641125, 794995, 864125, 3974975, 19874875]

約数ペア:

[(1, 19874875), (5, 3974975), (23, 864125), (25, 794995), (31, 641125), (115, 172825), (125, 158999), (155, 128225), (223, 89125), (575, 34565), (713, 27875), (775, 25645), (1115, 17825), (2875, 6913), (3565, 5575), (3875, 5129)]