19951036

素因数分解:

$2^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{743}}^1$

素因数の和:898

約数の個数: 36

約数和(自身を含む): 40966128

約数和(自身を除く): 21015092

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 548, 743, 959, 1486, 1918, 2972, 3836, 5201, 6713, 10402, 13426, 20804, 26852, 36407, 72814, 101791, 145628, 203582, 407164, 712537, 1425074, 2850148, 4987759, 9975518, 19951036]

約数ペア:

[(1, 19951036), (2, 9975518), (4, 4987759), (7, 2850148), (14, 1425074), (28, 712537), (49, 407164), (98, 203582), (137, 145628), (196, 101791), (274, 72814), (548, 36407), (743, 26852), (959, 20804), (1486, 13426), (1918, 10402), (2972, 6713), (3836, 5201)]