18276180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23431}}^1$

素因数の和:23456

約数の個数: 48

約数和(自身を含む): 55112064

約数和(自身を除く): 36835884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23431, 46862, 70293, 93724, 117155, 140586, 234310, 281172, 304603, 351465, 468620, 609206, 702930, 913809, 1218412, 1405860, 1523015, 1827618, 3046030, 3655236, 4569045, 6092060, 9138090, 18276180]

約数ペア:

[(1, 18276180), (2, 9138090), (3, 6092060), (4, 4569045), (5, 3655236), (6, 3046030), (10, 1827618), (12, 1523015), (13, 1405860), (15, 1218412), (20, 913809), (26, 702930), (30, 609206), (39, 468620), (52, 351465), (60, 304603), (65, 281172), (78, 234310), (130, 140586), (156, 117155), (195, 93724), (260, 70293), (390, 46862), (780, 23431)]