19691376

素因数分解:

$2^4\times 3^1\times {\mathrm{277}}^1\times {\mathrm{1481}}^1$

素因数の和:1769

約数の個数: 40

約数和(自身を含む): 51087504

約数和(自身を除く): 31396128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 277, 554, 831, 1108, 1481, 1662, 2216, 2962, 3324, 4432, 4443, 5924, 6648, 8886, 11848, 13296, 17772, 23696, 35544, 71088, 410237, 820474, 1230711, 1640948, 2461422, 3281896, 4922844, 6563792, 9845688, 19691376]

約数ペア:

[(1, 19691376), (2, 9845688), (3, 6563792), (4, 4922844), (6, 3281896), (8, 2461422), (12, 1640948), (16, 1230711), (24, 820474), (48, 410237), (277, 71088), (554, 35544), (831, 23696), (1108, 17772), (1481, 13296), (1662, 11848), (2216, 8886), (2962, 6648), (3324, 5924), (4432, 4443)]