19138470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1583}}^1$

素因数の和:1637

約数の個数: 64

約数和(自身を含む): 51093504

約数和(自身を除く): 31955034

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, 1583, 2015, 2418, 3166, 4030, 4749, 6045, 7915, 9498, 12090, 15830, 20579, 23745, 41158, 47490, 49073, 61737, 98146, 102895, 123474, 147219, 205790, 245365, 294438, 308685, 490730, 617370, 637949, 736095, 1275898, 1472190, 1913847, 3189745, 3827694, 6379490, 9569235, 19138470]

約数ペア:

[(1, 19138470), (2, 9569235), (3, 6379490), (5, 3827694), (6, 3189745), (10, 1913847), (13, 1472190), (15, 1275898), (26, 736095), (30, 637949), (31, 617370), (39, 490730), (62, 308685), (65, 294438), (78, 245365), (93, 205790), (130, 147219), (155, 123474), (186, 102895), (195, 98146), (310, 61737), (390, 49073), (403, 47490), (465, 41158), (806, 23745), (930, 20579), (1209, 15830), (1583, 12090), (2015, 9498), (2418, 7915), (3166, 6045), (4030, 4749)]