19892520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 67305600

約数和(自身を除く): 47413080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 113, 120, 135, 163, 180, 216, 226, 270, 326, 339, 360, 452, 489, 540, 565, 652, 678, 815, 904, 978, 1017, 1080, 1130, 1304, 1356, 1467, 1630, 1695, 1956, 2034, 2260, 2445, 2712, 2934, 3051, 3260, 3390, 3912, 4068, 4401, 4520, 4890, 5085, 5868, 6102, 6520, 6780, 7335, 8136, 8802, 9780, 10170, 11736, 12204, 13560, 14670, 15255, 17604, 18419, 19560, 20340, 22005, 24408, 29340, 30510, 35208, 36838, 40680, 44010, 55257, 58680, 61020, 73676, 88020, 92095, 110514, 122040, 147352, 165771, 176040, 184190, 221028, 276285, 331542, 368380, 442056, 497313, 552570, 663084, 736760, 828855, 994626, 1105140, 1326168, 1657710, 1989252, 2210280, 2486565, 3315420, 3978504, 4973130, 6630840, 9946260, 19892520]

約数ペア:

[(1, 19892520), (2, 9946260), (3, 6630840), (4, 4973130), (5, 3978504), (6, 3315420), (8, 2486565), (9, 2210280), (10, 1989252), (12, 1657710), (15, 1326168), (18, 1105140), (20, 994626), (24, 828855), (27, 736760), (30, 663084), (36, 552570), (40, 497313), (45, 442056), (54, 368380), (60, 331542), (72, 276285), (90, 221028), (108, 184190), (113, 176040), (120, 165771), (135, 147352), (163, 122040), (180, 110514), (216, 92095), (226, 88020), (270, 73676), (326, 61020), (339, 58680), (360, 55257), (452, 44010), (489, 40680), (540, 36838), (565, 35208), (652, 30510), (678, 29340), (815, 24408), (904, 22005), (978, 20340), (1017, 19560), (1080, 18419), (1130, 17604), (1304, 15255), (1356, 14670), (1467, 13560), (1630, 12204), (1695, 11736), (1956, 10170), (2034, 9780), (2260, 8802), (2445, 8136), (2712, 7335), (2934, 6780), (3051, 6520), (3260, 6102), (3390, 5868), (3912, 5085), (4068, 4890), (4401, 4520)]