19807112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{839}}^1$

素因数の和:1085

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 20412088

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 227, 454, 839, 908, 1678, 1816, 2951, 3356, 5902, 6712, 10907, 11804, 21814, 23608, 43628, 87256, 190453, 380906, 761812, 1523624, 2475889, 4951778, 9903556, 19807112]

約数ペア:

[(1, 19807112), (2, 9903556), (4, 4951778), (8, 2475889), (13, 1523624), (26, 761812), (52, 380906), (104, 190453), (227, 87256), (454, 43628), (839, 23608), (908, 21814), (1678, 11804), (1816, 10907), (2951, 6712), (3356, 5902)]