19588640

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5323}}^1$

素因数の和:5361

約数の個数: 48

約数和(自身を含む): 48299328

約数和(自身を除く): 28710688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5323, 10646, 21292, 26615, 42584, 53230, 85168, 106460, 122429, 170336, 212920, 244858, 425840, 489716, 612145, 851680, 979432, 1224290, 1958864, 2448580, 3917728, 4897160, 9794320, 19588640]

約数ペア:

[(1, 19588640), (2, 9794320), (4, 4897160), (5, 3917728), (8, 2448580), (10, 1958864), (16, 1224290), (20, 979432), (23, 851680), (32, 612145), (40, 489716), (46, 425840), (80, 244858), (92, 212920), (115, 170336), (160, 122429), (184, 106460), (230, 85168), (368, 53230), (460, 42584), (736, 26615), (920, 21292), (1840, 10646), (3680, 5323)]