19691755792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1956653}}^1$

素因数の和:1956715

約数の個数: 40

約数和(自身を含む): 41488891416

約数和(自身を除く): 21797135624

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 2516, 5032, 10064, 1956653, 3913306, 7826612, 15653224, 31306448, 33263101, 66526202, 72396161, 133052404, 144792322, 266104808, 289584644, 532209616, 579169288, 1158338576, 1230734737, 2461469474, 4922938948, 9845877896, 19691755792]

約数ペア:

[(1, 19691755792), (2, 9845877896), (4, 4922938948), (8, 2461469474), (16, 1230734737), (17, 1158338576), (34, 579169288), (37, 532209616), (68, 289584644), (74, 266104808), (136, 144792322), (148, 133052404), (272, 72396161), (296, 66526202), (592, 33263101), (629, 31306448), (1258, 15653224), (2516, 7826612), (5032, 3913306), (10064, 1956653)]