19697679

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4153}}^1$

素因数の和:4207

約数の個数: 24

約数和(自身を含む): 31105152

約数和(自身を除く): 11407473

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4153, 4743, 12459, 37377, 70601, 128743, 211803, 386229, 635409, 1158687, 2188631, 6565893, 19697679]

約数ペア:

[(1, 19697679), (3, 6565893), (9, 2188631), (17, 1158687), (31, 635409), (51, 386229), (93, 211803), (153, 128743), (279, 70601), (527, 37377), (1581, 12459), (4153, 4743)]