19423740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 43475460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 103, 105, 140, 206, 210, 309, 412, 420, 449, 515, 618, 721, 898, 1030, 1236, 1347, 1442, 1545, 1796, 2060, 2163, 2245, 2694, 2884, 3090, 3143, 3605, 4326, 4490, 5388, 6180, 6286, 6735, 7210, 8652, 8980, 9429, 10815, 12572, 13470, 14420, 15715, 18858, 21630, 26940, 31430, 37716, 43260, 46247, 47145, 62860, 92494, 94290, 138741, 184988, 188580, 231235, 277482, 323729, 462470, 554964, 647458, 693705, 924940, 971187, 1294916, 1387410, 1618645, 1942374, 2774820, 3237290, 3884748, 4855935, 6474580, 9711870, 19423740]

約数ペア:

[(1, 19423740), (2, 9711870), (3, 6474580), (4, 4855935), (5, 3884748), (6, 3237290), (7, 2774820), (10, 1942374), (12, 1618645), (14, 1387410), (15, 1294916), (20, 971187), (21, 924940), (28, 693705), (30, 647458), (35, 554964), (42, 462470), (60, 323729), (70, 277482), (84, 231235), (103, 188580), (105, 184988), (140, 138741), (206, 94290), (210, 92494), (309, 62860), (412, 47145), (420, 46247), (449, 43260), (515, 37716), (618, 31430), (721, 26940), (898, 21630), (1030, 18858), (1236, 15715), (1347, 14420), (1442, 13470), (1545, 12572), (1796, 10815), (2060, 9429), (2163, 8980), (2245, 8652), (2694, 7210), (2884, 6735), (3090, 6286), (3143, 6180), (3605, 5388), (4326, 4490)]