18788085

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4799}}^1$

素因数の和:4842

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 15771915

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 4799, 14397, 23995, 43191, 71985, 129573, 139171, 215955, 417513, 647865, 695855, 1252539, 2087565, 3757617, 6262695, 18788085]

約数ペア:

[(1, 18788085), (3, 6262695), (5, 3757617), (9, 2087565), (15, 1252539), (27, 695855), (29, 647865), (45, 417513), (87, 215955), (135, 139171), (145, 129573), (261, 71985), (435, 43191), (783, 23995), (1305, 14397), (3915, 4799)]