19978632

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{8951}}^1$

素因数の和:8994

約数の個数: 48

約数和(自身を含む): 55860480

約数和(自身を除く): 35881848

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, 8951, 17902, 26853, 35804, 53706, 71608, 80559, 107412, 161118, 214824, 277481, 322236, 554962, 644472, 832443, 1109924, 1664886, 2219848, 2497329, 3329772, 4994658, 6659544, 9989316, 19978632]

約数ペア:

[(1, 19978632), (2, 9989316), (3, 6659544), (4, 4994658), (6, 3329772), (8, 2497329), (9, 2219848), (12, 1664886), (18, 1109924), (24, 832443), (31, 644472), (36, 554962), (62, 322236), (72, 277481), (93, 214824), (124, 161118), (186, 107412), (248, 80559), (279, 71608), (372, 53706), (558, 35804), (744, 26853), (1116, 17902), (2232, 8951)]