19003879580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{487}}^1\times {\mathrm{1321}}^1$

素因数の和:2035

約数の個数: 96

約数和(自身を含む): 45954327552

約数和(自身を除く): 26950447972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 487, 844, 974, 1055, 1321, 1477, 1948, 2110, 2435, 2642, 2954, 3409, 4220, 4870, 5284, 5908, 6605, 6818, 7385, 9247, 9740, 13210, 13636, 14770, 17045, 18494, 26420, 29540, 34090, 36988, 46235, 68180, 92470, 102757, 184940, 205514, 278731, 411028, 513785, 557462, 643327, 719299, 1027570, 1114924, 1286654, 1393655, 1438598, 1951117, 2055140, 2573308, 2787310, 2877196, 3216635, 3596495, 3902234, 4503289, 5574620, 6433270, 7192990, 7804468, 9006578, 9755585, 12866540, 14385980, 18013156, 19511170, 22516445, 39022340, 45032890, 90065780, 135741997, 271483994, 542967988, 678709985, 950193979, 1357419970, 1900387958, 2714839940, 3800775916, 4750969895, 9501939790, 19003879580]

約数ペア:

[(1, 19003879580), (2, 9501939790), (4, 4750969895), (5, 3800775916), (7, 2714839940), (10, 1900387958), (14, 1357419970), (20, 950193979), (28, 678709985), (35, 542967988), (70, 271483994), (140, 135741997), (211, 90065780), (422, 45032890), (487, 39022340), (844, 22516445), (974, 19511170), (1055, 18013156), (1321, 14385980), (1477, 12866540), (1948, 9755585), (2110, 9006578), (2435, 7804468), (2642, 7192990), (2954, 6433270), (3409, 5574620), (4220, 4503289), (4870, 3902234), (5284, 3596495), (5908, 3216635), (6605, 2877196), (6818, 2787310), (7385, 2573308), (9247, 2055140), (9740, 1951117), (13210, 1438598), (13636, 1393655), (14770, 1286654), (17045, 1114924), (18494, 1027570), (26420, 719299), (29540, 643327), (34090, 557462), (36988, 513785), (46235, 411028), (68180, 278731), (92470, 205514), (102757, 184940)]