19891704

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{709}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 57254400

約数和(自身を除く): 37362696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 167, 168, 334, 501, 668, 709, 1002, 1169, 1336, 1418, 2004, 2127, 2338, 2836, 3507, 4008, 4254, 4676, 4963, 5672, 7014, 8508, 9352, 9926, 14028, 14889, 17016, 19852, 28056, 29778, 39704, 59556, 118403, 119112, 236806, 355209, 473612, 710418, 828821, 947224, 1420836, 1657642, 2486463, 2841672, 3315284, 4972926, 6630568, 9945852, 19891704]

約数ペア:

[(1, 19891704), (2, 9945852), (3, 6630568), (4, 4972926), (6, 3315284), (7, 2841672), (8, 2486463), (12, 1657642), (14, 1420836), (21, 947224), (24, 828821), (28, 710418), (42, 473612), (56, 355209), (84, 236806), (167, 119112), (168, 118403), (334, 59556), (501, 39704), (668, 29778), (709, 28056), (1002, 19852), (1169, 17016), (1336, 14889), (1418, 14028), (2004, 9926), (2127, 9352), (2338, 8508), (2836, 7014), (3507, 5672), (4008, 4963), (4254, 4676)]