18919140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7333}}^1$

素因数の和:7388

約数の個数: 48

約数和(自身を含む): 54212928

約数和(自身を除く): 35293788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7333, 14666, 21999, 29332, 36665, 43998, 73330, 87996, 109995, 146660, 219990, 315319, 439980, 630638, 945957, 1261276, 1576595, 1891914, 3153190, 3783828, 4729785, 6306380, 9459570, 18919140]

約数ペア:

[(1, 18919140), (2, 9459570), (3, 6306380), (4, 4729785), (5, 3783828), (6, 3153190), (10, 1891914), (12, 1576595), (15, 1261276), (20, 945957), (30, 630638), (43, 439980), (60, 315319), (86, 219990), (129, 146660), (172, 109995), (215, 87996), (258, 73330), (430, 43998), (516, 36665), (645, 29332), (860, 21999), (1290, 14666), (2580, 7333)]