17866940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9817}}^1$

素因数の和:9846

約数の個数: 48

約数和(自身を含む): 46183872

約数和(自身を除く): 28316932

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 9817, 19634, 39268, 49085, 68719, 98170, 127621, 137438, 196340, 255242, 274876, 343595, 510484, 638105, 687190, 893347, 1276210, 1374380, 1786694, 2552420, 3573388, 4466735, 8933470, 17866940]

約数ペア:

[(1, 17866940), (2, 8933470), (4, 4466735), (5, 3573388), (7, 2552420), (10, 1786694), (13, 1374380), (14, 1276210), (20, 893347), (26, 687190), (28, 638105), (35, 510484), (52, 343595), (65, 274876), (70, 255242), (91, 196340), (130, 137438), (140, 127621), (182, 98170), (260, 68719), (364, 49085), (455, 39268), (910, 19634), (1820, 9817)]