18202095

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 33852000

約数和(自身を除く): 15649905

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 61, 95, 171, 183, 285, 305, 349, 549, 855, 915, 1047, 1159, 1745, 2745, 3141, 3477, 5235, 5795, 6631, 10431, 15705, 17385, 19893, 21289, 33155, 52155, 59679, 63867, 99465, 106445, 191601, 298395, 319335, 404491, 958005, 1213473, 2022455, 3640419, 6067365, 18202095]

約数ペア:

[(1, 18202095), (3, 6067365), (5, 3640419), (9, 2022455), (15, 1213473), (19, 958005), (45, 404491), (57, 319335), (61, 298395), (95, 191601), (171, 106445), (183, 99465), (285, 63867), (305, 59679), (349, 52155), (549, 33155), (855, 21289), (915, 19893), (1047, 17385), (1159, 15705), (1745, 10431), (2745, 6631), (3141, 5795), (3477, 5235)]