19502060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1399}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 24950740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 1399, 2788, 2798, 3485, 5596, 6970, 6995, 13940, 13990, 23783, 27980, 47566, 57359, 95132, 114718, 118915, 229436, 237830, 286795, 475660, 573590, 975103, 1147180, 1950206, 3900412, 4875515, 9751030, 19502060]

約数ペア:

[(1, 19502060), (2, 9751030), (4, 4875515), (5, 3900412), (10, 1950206), (17, 1147180), (20, 975103), (34, 573590), (41, 475660), (68, 286795), (82, 237830), (85, 229436), (164, 118915), (170, 114718), (205, 95132), (340, 57359), (410, 47566), (697, 27980), (820, 23783), (1394, 13990), (1399, 13940), (2788, 6995), (2798, 6970), (3485, 5596)]