18701564

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 40098240

約数和(自身を除く): 21396676

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 101, 119, 202, 238, 389, 404, 476, 707, 778, 1414, 1556, 1717, 2723, 2828, 3434, 5446, 6613, 6868, 10892, 12019, 13226, 24038, 26452, 39289, 46291, 48076, 78578, 92582, 157156, 185164, 275023, 550046, 667913, 1100092, 1335826, 2671652, 4675391, 9350782, 18701564]

約数ペア:

[(1, 18701564), (2, 9350782), (4, 4675391), (7, 2671652), (14, 1335826), (17, 1100092), (28, 667913), (34, 550046), (68, 275023), (101, 185164), (119, 157156), (202, 92582), (238, 78578), (389, 48076), (404, 46291), (476, 39289), (707, 26452), (778, 24038), (1414, 13226), (1556, 12019), (1717, 10892), (2723, 6868), (2828, 6613), (3434, 5446)]