18533580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23761}}^1$

素因数の和:23786

約数の個数: 48

約数和(自身を含む): 55888224

約数和(自身を除く): 37354644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23761, 47522, 71283, 95044, 118805, 142566, 237610, 285132, 308893, 356415, 475220, 617786, 712830, 926679, 1235572, 1425660, 1544465, 1853358, 3088930, 3706716, 4633395, 6177860, 9266790, 18533580]

約数ペア:

[(1, 18533580), (2, 9266790), (3, 6177860), (4, 4633395), (5, 3706716), (6, 3088930), (10, 1853358), (12, 1544465), (13, 1425660), (15, 1235572), (20, 926679), (26, 712830), (30, 617786), (39, 475220), (52, 356415), (60, 308893), (65, 285132), (78, 237610), (130, 142566), (156, 118805), (195, 95044), (260, 71283), (390, 47522), (780, 23761)]