19865040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6367}}^1$

素因数の和:6396

約数の個数: 80

約数和(自身を含む): 66329088

約数和(自身を除く): 46464048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6367, 12734, 19101, 25468, 31835, 38202, 50936, 63670, 76404, 82771, 95505, 101872, 127340, 152808, 165542, 191010, 248313, 254680, 305616, 331084, 382020, 413855, 496626, 509360, 662168, 764040, 827710, 993252, 1241565, 1324336, 1528080, 1655420, 1986504, 2483130, 3310840, 3973008, 4966260, 6621680, 9932520, 19865040]

約数ペア:

[(1, 19865040), (2, 9932520), (3, 6621680), (4, 4966260), (5, 3973008), (6, 3310840), (8, 2483130), (10, 1986504), (12, 1655420), (13, 1528080), (15, 1324336), (16, 1241565), (20, 993252), (24, 827710), (26, 764040), (30, 662168), (39, 509360), (40, 496626), (48, 413855), (52, 382020), (60, 331084), (65, 305616), (78, 254680), (80, 248313), (104, 191010), (120, 165542), (130, 152808), (156, 127340), (195, 101872), (208, 95505), (240, 82771), (260, 76404), (312, 63670), (390, 50936), (520, 38202), (624, 31835), (780, 25468), (1040, 19101), (1560, 12734), (3120, 6367)]