19741730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1481}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 37559808

約数和(自身を除く): 17818078

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 1481, 2666, 2962, 6665, 7405, 13330, 14810, 45911, 63683, 91822, 127366, 229555, 318415, 459110, 636830, 1974173, 3948346, 9870865, 19741730]

約数ペア:

[(1, 19741730), (2, 9870865), (5, 3948346), (10, 1974173), (31, 636830), (43, 459110), (62, 318415), (86, 229555), (155, 127366), (215, 91822), (310, 63683), (430, 45911), (1333, 14810), (1481, 13330), (2666, 7405), (2962, 6665)]