19688472

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{8821}}^1$

素因数の和:8864

約数の個数: 48

約数和(自身を含む): 55049280

約数和(自身を除く): 35360808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 8821, 17642, 26463, 35284, 52926, 70568, 79389, 105852, 158778, 211704, 273451, 317556, 546902, 635112, 820353, 1093804, 1640706, 2187608, 2461059, 3281412, 4922118, 6562824, 9844236, 19688472]

約数ペア:

[(1, 19688472), (2, 9844236), (3, 6562824), (4, 4922118), (6, 3281412), (8, 2461059), (9, 2187608), (12, 1640706), (18, 1093804), (24, 820353), (31, 635112), (36, 546902), (62, 317556), (72, 273451), (93, 211704), (124, 158778), (186, 105852), (248, 79389), (279, 70568), (372, 52926), (558, 35284), (744, 26463), (1116, 17642), (2232, 8821)]