19366380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9781}}^1$

素因数の和:9807

約数の個数: 72

約数和(自身を含む): 64091664

約数和(自身を除く): 44725284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9781, 19562, 29343, 39124, 48905, 58686, 88029, 97810, 107591, 117372, 146715, 176058, 195620, 215182, 293430, 322773, 352116, 430364, 440145, 537955, 586860, 645546, 880290, 968319, 1075910, 1291092, 1613865, 1760580, 1936638, 2151820, 3227730, 3873276, 4841595, 6455460, 9683190, 19366380]

約数ペア:

[(1, 19366380), (2, 9683190), (3, 6455460), (4, 4841595), (5, 3873276), (6, 3227730), (9, 2151820), (10, 1936638), (11, 1760580), (12, 1613865), (15, 1291092), (18, 1075910), (20, 968319), (22, 880290), (30, 645546), (33, 586860), (36, 537955), (44, 440145), (45, 430364), (55, 352116), (60, 322773), (66, 293430), (90, 215182), (99, 195620), (110, 176058), (132, 146715), (165, 117372), (180, 107591), (198, 97810), (220, 88029), (330, 58686), (396, 48905), (495, 39124), (660, 29343), (990, 19562), (1980, 9781)]