18427695

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 64

約数和(自身を含む): 35417088

約数和(自身を除く): 16989393

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 71, 121, 143, 165, 195, 213, 355, 363, 429, 605, 715, 781, 923, 1065, 1331, 1573, 1815, 2145, 2343, 2769, 3905, 3993, 4615, 4719, 6655, 7865, 8591, 10153, 11715, 13845, 17303, 19965, 23595, 25773, 30459, 42955, 50765, 51909, 86515, 94501, 111683, 128865, 152295, 259545, 283503, 335049, 472505, 558415, 1228513, 1417515, 1675245, 3685539, 6142565, 18427695]

約数ペア:

[(1, 18427695), (3, 6142565), (5, 3685539), (11, 1675245), (13, 1417515), (15, 1228513), (33, 558415), (39, 472505), (55, 335049), (65, 283503), (71, 259545), (121, 152295), (143, 128865), (165, 111683), (195, 94501), (213, 86515), (355, 51909), (363, 50765), (429, 42955), (605, 30459), (715, 25773), (781, 23595), (923, 19965), (1065, 17303), (1331, 13845), (1573, 11715), (1815, 10153), (2145, 8591), (2343, 7865), (2769, 6655), (3905, 4719), (3993, 4615)]