19784048

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1453}}^1$

素因数の和:1521

約数の個数: 40

約数和(自身を含む): 41107488

約数和(自身を除く): 21323440

約数列:

[1, 2, 4, 8, 16, 23, 37, 46, 74, 92, 148, 184, 296, 368, 592, 851, 1453, 1702, 2906, 3404, 5812, 6808, 11624, 13616, 23248, 33419, 53761, 66838, 107522, 133676, 215044, 267352, 430088, 534704, 860176, 1236503, 2473006, 4946012, 9892024, 19784048]

約数ペア:

[(1, 19784048), (2, 9892024), (4, 4946012), (8, 2473006), (16, 1236503), (23, 860176), (37, 534704), (46, 430088), (74, 267352), (92, 215044), (148, 133676), (184, 107522), (296, 66838), (368, 53761), (592, 33419), (851, 23248), (1453, 13616), (1702, 11624), (2906, 6808), (3404, 5812)]