19289560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1540

約数の個数: 64

約数和(自身を含む): 48405600

約数和(自身を除く): 29116040

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1493, 1615, 2584, 2986, 3230, 5972, 6460, 7465, 11944, 12920, 14930, 25381, 28367, 29860, 50762, 56734, 59720, 101524, 113468, 126905, 141835, 203048, 226936, 253810, 283670, 482239, 507620, 567340, 964478, 1015240, 1134680, 1928956, 2411195, 3857912, 4822390, 9644780, 19289560]

約数ペア:

[(1, 19289560), (2, 9644780), (4, 4822390), (5, 3857912), (8, 2411195), (10, 1928956), (17, 1134680), (19, 1015240), (20, 964478), (34, 567340), (38, 507620), (40, 482239), (68, 283670), (76, 253810), (85, 226936), (95, 203048), (136, 141835), (152, 126905), (170, 113468), (190, 101524), (323, 59720), (340, 56734), (380, 50762), (646, 29860), (680, 28367), (760, 25381), (1292, 14930), (1493, 12920), (1615, 11944), (2584, 7465), (2986, 6460), (3230, 5972)]