18137115

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2357}}^1$

素因数の和:2393

約数の個数: 40

約数和(自身を含む): 34238160

約数和(自身を除く): 16101045

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2357, 2565, 7071, 7695, 11785, 21213, 35355, 44783, 63639, 106065, 134349, 190917, 223915, 318195, 403047, 671745, 954585, 1209141, 2015235, 3627423, 6045705, 18137115]

約数ペア:

[(1, 18137115), (3, 6045705), (5, 3627423), (9, 2015235), (15, 1209141), (19, 954585), (27, 671745), (45, 403047), (57, 318195), (81, 223915), (95, 190917), (135, 134349), (171, 106065), (285, 63639), (405, 44783), (513, 35355), (855, 21213), (1539, 11785), (2357, 7695), (2565, 7071)]