19428630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1661

約数の個数: 64

約数和(自身を含む): 51867648

約数和(自身を除く): 32439018

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 1607, 2015, 2418, 3214, 4030, 4821, 6045, 8035, 9642, 12090, 16070, 20891, 24105, 41782, 48210, 49817, 62673, 99634, 104455, 125346, 149451, 208910, 249085, 298902, 313365, 498170, 626730, 647621, 747255, 1295242, 1494510, 1942863, 3238105, 3885726, 6476210, 9714315, 19428630]

約数ペア:

[(1, 19428630), (2, 9714315), (3, 6476210), (5, 3885726), (6, 3238105), (10, 1942863), (13, 1494510), (15, 1295242), (26, 747255), (30, 647621), (31, 626730), (39, 498170), (62, 313365), (65, 298902), (78, 249085), (93, 208910), (130, 149451), (155, 125346), (186, 104455), (195, 99634), (310, 62673), (390, 49817), (403, 48210), (465, 41782), (806, 24105), (930, 20891), (1209, 16070), (1607, 12090), (2015, 9642), (2418, 8035), (3214, 6045), (4030, 4821)]