18151860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4261}}^1$

素因数の和:4344

約数の個数: 48

約数和(自身を含む): 51553152

約数和(自身を除く): 33401292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4261, 8522, 12783, 17044, 21305, 25566, 42610, 51132, 63915, 85220, 127830, 255660, 302531, 605062, 907593, 1210124, 1512655, 1815186, 3025310, 3630372, 4537965, 6050620, 9075930, 18151860]

約数ペア:

[(1, 18151860), (2, 9075930), (3, 6050620), (4, 4537965), (5, 3630372), (6, 3025310), (10, 1815186), (12, 1512655), (15, 1210124), (20, 907593), (30, 605062), (60, 302531), (71, 255660), (142, 127830), (213, 85220), (284, 63915), (355, 51132), (426, 42610), (710, 25566), (852, 21305), (1065, 17044), (1420, 12783), (2130, 8522), (4260, 4261)]