18347660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 40303872

約数和(自身を除く): 21956212

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 293, 310, 404, 505, 586, 620, 1010, 1172, 1465, 2020, 2930, 3131, 5860, 6262, 9083, 12524, 15655, 18166, 29593, 31310, 36332, 45415, 59186, 62620, 90830, 118372, 147965, 181660, 295930, 591860, 917383, 1834766, 3669532, 4586915, 9173830, 18347660]

約数ペア:

[(1, 18347660), (2, 9173830), (4, 4586915), (5, 3669532), (10, 1834766), (20, 917383), (31, 591860), (62, 295930), (101, 181660), (124, 147965), (155, 118372), (202, 90830), (293, 62620), (310, 59186), (404, 45415), (505, 36332), (586, 31310), (620, 29593), (1010, 18166), (1172, 15655), (1465, 12524), (2020, 9083), (2930, 6262), (3131, 5860)]