19721311764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{520571}}^1$

素因数の和:520637

約数の個数: 96

約数和(自身を含む): 58770496512

約数和(自身を除く): 39049184748

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 41, 42, 44, 66, 77, 82, 84, 123, 132, 154, 164, 231, 246, 287, 308, 451, 462, 492, 574, 861, 902, 924, 1148, 1353, 1722, 1804, 2706, 3157, 3444, 5412, 6314, 9471, 12628, 18942, 37884, 520571, 1041142, 1561713, 2082284, 3123426, 3643997, 5726281, 6246852, 7287994, 10931991, 11452562, 14575988, 17178843, 21343411, 21863982, 22905124, 34357686, 40083967, 42686822, 43727964, 64030233, 68715372, 80167934, 85373644, 120251901, 128060466, 149403877, 160335868, 234777521, 240503802, 256120932, 298807754, 448211631, 469555042, 481007604, 597615508, 704332563, 896423262, 939110084, 1408665126, 1643442647, 1792846524, 2817330252, 3286885294, 4930327941, 6573770588, 9860655882, 19721311764]

約数ペア:

[(1, 19721311764), (2, 9860655882), (3, 6573770588), (4, 4930327941), (6, 3286885294), (7, 2817330252), (11, 1792846524), (12, 1643442647), (14, 1408665126), (21, 939110084), (22, 896423262), (28, 704332563), (33, 597615508), (41, 481007604), (42, 469555042), (44, 448211631), (66, 298807754), (77, 256120932), (82, 240503802), (84, 234777521), (123, 160335868), (132, 149403877), (154, 128060466), (164, 120251901), (231, 85373644), (246, 80167934), (287, 68715372), (308, 64030233), (451, 43727964), (462, 42686822), (492, 40083967), (574, 34357686), (861, 22905124), (902, 21863982), (924, 21343411), (1148, 17178843), (1353, 14575988), (1722, 11452562), (1804, 10931991), (2706, 7287994), (3157, 6246852), (3444, 5726281), (5412, 3643997), (6314, 3123426), (9471, 2082284), (12628, 1561713), (18942, 1041142), (37884, 520571)]