18833895

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 35223552

約数和(自身を除く): 16389657

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 93, 115, 155, 207, 279, 345, 465, 587, 713, 1035, 1395, 1761, 2139, 2935, 3565, 5283, 6417, 8805, 10695, 13501, 18197, 26415, 32085, 40503, 54591, 67505, 90985, 121509, 163773, 202515, 272955, 418531, 607545, 818865, 1255593, 2092655, 3766779, 6277965, 18833895]

約数ペア:

[(1, 18833895), (3, 6277965), (5, 3766779), (9, 2092655), (15, 1255593), (23, 818865), (31, 607545), (45, 418531), (69, 272955), (93, 202515), (115, 163773), (155, 121509), (207, 90985), (279, 67505), (345, 54591), (465, 40503), (587, 32085), (713, 26415), (1035, 18197), (1395, 13501), (1761, 10695), (2139, 8805), (2935, 6417), (3565, 5283)]