19387710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6949}}^1$

素因数の和:6993

約数の個数: 48

約数和(自身を含む): 52041600

約数和(自身を除く): 32653890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 6949, 13898, 20847, 34745, 41694, 62541, 69490, 104235, 125082, 208470, 215419, 312705, 430838, 625410, 646257, 1077095, 1292514, 1938771, 2154190, 3231285, 3877542, 6462570, 9693855, 19387710]

約数ペア:

[(1, 19387710), (2, 9693855), (3, 6462570), (5, 3877542), (6, 3231285), (9, 2154190), (10, 1938771), (15, 1292514), (18, 1077095), (30, 646257), (31, 625410), (45, 430838), (62, 312705), (90, 215419), (93, 208470), (155, 125082), (186, 104235), (279, 69490), (310, 62541), (465, 41694), (558, 34745), (930, 20847), (1395, 13898), (2790, 6949)]