18838950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9661}}^1$

素因数の和:9689

約数の個数: 48

約数和(自身を含む): 50319696

約数和(自身を除く): 31480746

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 9661, 19322, 28983, 48305, 57966, 96610, 125593, 144915, 241525, 251186, 289830, 376779, 483050, 627965, 724575, 753558, 1255930, 1449150, 1883895, 3139825, 3767790, 6279650, 9419475, 18838950]

約数ペア:

[(1, 18838950), (2, 9419475), (3, 6279650), (5, 3767790), (6, 3139825), (10, 1883895), (13, 1449150), (15, 1255930), (25, 753558), (26, 724575), (30, 627965), (39, 483050), (50, 376779), (65, 289830), (75, 251186), (78, 241525), (130, 144915), (150, 125593), (195, 96610), (325, 57966), (390, 48305), (650, 28983), (975, 19322), (1950, 9661)]