19509864

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1103}}^1$

素因数の和:1190

約数の個数: 64

約数和(自身を含む): 54051840

約数和(自身を除く): 34541976

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 67, 88, 132, 134, 201, 264, 268, 402, 536, 737, 804, 1103, 1474, 1608, 2206, 2211, 2948, 3309, 4412, 4422, 5896, 6618, 8824, 8844, 12133, 13236, 17688, 24266, 26472, 36399, 48532, 72798, 73901, 97064, 145596, 147802, 221703, 291192, 295604, 443406, 591208, 812911, 886812, 1625822, 1773624, 2438733, 3251644, 4877466, 6503288, 9754932, 19509864]

約数ペア:

[(1, 19509864), (2, 9754932), (3, 6503288), (4, 4877466), (6, 3251644), (8, 2438733), (11, 1773624), (12, 1625822), (22, 886812), (24, 812911), (33, 591208), (44, 443406), (66, 295604), (67, 291192), (88, 221703), (132, 147802), (134, 145596), (201, 97064), (264, 73901), (268, 72798), (402, 48532), (536, 36399), (737, 26472), (804, 24266), (1103, 17688), (1474, 13236), (1608, 12133), (2206, 8844), (2211, 8824), (2948, 6618), (3309, 5896), (4412, 4422)]