19707780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14281}}^1$

素因数の和:14316

約数の個数: 48

約数和(自身を含む): 57585024

約数和(自身を除く): 37877244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 14281, 28562, 42843, 57124, 71405, 85686, 142810, 171372, 214215, 285620, 328463, 428430, 656926, 856860, 985389, 1313852, 1642315, 1970778, 3284630, 3941556, 4926945, 6569260, 9853890, 19707780]

約数ペア:

[(1, 19707780), (2, 9853890), (3, 6569260), (4, 4926945), (5, 3941556), (6, 3284630), (10, 1970778), (12, 1642315), (15, 1313852), (20, 985389), (23, 856860), (30, 656926), (46, 428430), (60, 328463), (69, 285620), (92, 214215), (115, 171372), (138, 142810), (230, 85686), (276, 71405), (345, 57124), (460, 42843), (690, 28562), (1380, 14281)]