18674760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11971}}^1$

素因数の和:11998

約数の個数: 64

約数和(自身を含む): 60338880

約数和(自身を除く): 41664120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 11971, 23942, 35913, 47884, 59855, 71826, 95768, 119710, 143652, 155623, 179565, 239420, 287304, 311246, 359130, 466869, 478840, 622492, 718260, 778115, 933738, 1244984, 1436520, 1556230, 1867476, 2334345, 3112460, 3734952, 4668690, 6224920, 9337380, 18674760]

約数ペア:

[(1, 18674760), (2, 9337380), (3, 6224920), (4, 4668690), (5, 3734952), (6, 3112460), (8, 2334345), (10, 1867476), (12, 1556230), (13, 1436520), (15, 1244984), (20, 933738), (24, 778115), (26, 718260), (30, 622492), (39, 478840), (40, 466869), (52, 359130), (60, 311246), (65, 287304), (78, 239420), (104, 179565), (120, 155623), (130, 143652), (156, 119710), (195, 95768), (260, 71826), (312, 59855), (390, 47884), (520, 35913), (780, 23942), (1560, 11971)]