19007081380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{171637}}^1$

素因数の和:171773

約数の個数: 72

約数和(自身を含む): 46842756408

約数和(自身を除く): 27835675028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 113, 140, 196, 226, 245, 452, 490, 565, 791, 980, 1130, 1582, 2260, 3164, 3955, 5537, 7910, 11074, 15820, 22148, 27685, 55370, 110740, 171637, 343274, 686548, 858185, 1201459, 1716370, 2402918, 3432740, 4805836, 6007295, 8410213, 12014590, 16820426, 19394981, 24029180, 33640852, 38789962, 42051065, 77579924, 84102130, 96974905, 135764867, 168204260, 193949810, 271529734, 387899620, 543059468, 678824335, 950354069, 1357648670, 1900708138, 2715297340, 3801416276, 4751770345, 9503540690, 19007081380]

約数ペア:

[(1, 19007081380), (2, 9503540690), (4, 4751770345), (5, 3801416276), (7, 2715297340), (10, 1900708138), (14, 1357648670), (20, 950354069), (28, 678824335), (35, 543059468), (49, 387899620), (70, 271529734), (98, 193949810), (113, 168204260), (140, 135764867), (196, 96974905), (226, 84102130), (245, 77579924), (452, 42051065), (490, 38789962), (565, 33640852), (791, 24029180), (980, 19394981), (1130, 16820426), (1582, 12014590), (2260, 8410213), (3164, 6007295), (3955, 4805836), (5537, 3432740), (7910, 2402918), (11074, 1716370), (15820, 1201459), (22148, 858185), (27685, 686548), (55370, 343274), (110740, 171637)]