19847360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{367}}^1$

素因数の和:410

約数の個数: 84

約数和(自身を含む): 51316128

約数和(自身を除く): 31468768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 367, 416, 520, 676, 734, 832, 845, 1040, 1352, 1468, 1690, 1835, 2080, 2704, 2936, 3380, 3670, 4160, 4771, 5408, 5872, 6760, 7340, 9542, 10816, 11744, 13520, 14680, 19084, 23488, 23855, 27040, 29360, 38168, 47710, 54080, 58720, 62023, 76336, 95420, 117440, 124046, 152672, 190840, 248092, 305344, 310115, 381680, 496184, 620230, 763360, 992368, 1240460, 1526720, 1984736, 2480920, 3969472, 4961840, 9923680, 19847360]

約数ペア:

[(1, 19847360), (2, 9923680), (4, 4961840), (5, 3969472), (8, 2480920), (10, 1984736), (13, 1526720), (16, 1240460), (20, 992368), (26, 763360), (32, 620230), (40, 496184), (52, 381680), (64, 310115), (65, 305344), (80, 248092), (104, 190840), (130, 152672), (160, 124046), (169, 117440), (208, 95420), (260, 76336), (320, 62023), (338, 58720), (367, 54080), (416, 47710), (520, 38168), (676, 29360), (734, 27040), (832, 23855), (845, 23488), (1040, 19084), (1352, 14680), (1468, 13520), (1690, 11744), (1835, 10816), (2080, 9542), (2704, 7340), (2936, 6760), (3380, 5872), (3670, 5408), (4160, 4771)]