18830370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{911}}^1$

素因数の和:987

約数の個数: 64

約数和(自身を含む): 49641984

約数和(自身を除く): 30811614

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 53, 65, 78, 106, 130, 159, 195, 265, 318, 390, 530, 689, 795, 911, 1378, 1590, 1822, 2067, 2733, 3445, 4134, 4555, 5466, 6890, 9110, 10335, 11843, 13665, 20670, 23686, 27330, 35529, 48283, 59215, 71058, 96566, 118430, 144849, 177645, 241415, 289698, 355290, 482830, 627679, 724245, 1255358, 1448490, 1883037, 3138395, 3766074, 6276790, 9415185, 18830370]

約数ペア:

[(1, 18830370), (2, 9415185), (3, 6276790), (5, 3766074), (6, 3138395), (10, 1883037), (13, 1448490), (15, 1255358), (26, 724245), (30, 627679), (39, 482830), (53, 355290), (65, 289698), (78, 241415), (106, 177645), (130, 144849), (159, 118430), (195, 96566), (265, 71058), (318, 59215), (390, 48283), (530, 35529), (689, 27330), (795, 23686), (911, 20670), (1378, 13665), (1590, 11843), (1822, 10335), (2067, 9110), (2733, 6890), (3445, 5466), (4134, 4555)]