19041880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3329}}^1$

素因数の和:3364

約数の個数: 64

約数和(自身を含む): 50349600

約数和(自身を除く): 31307720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3329, 5720, 6658, 13316, 16645, 26632, 33290, 36619, 43277, 66580, 73238, 86554, 133160, 146476, 173108, 183095, 216385, 292952, 346216, 366190, 432770, 476047, 732380, 865540, 952094, 1464760, 1731080, 1904188, 2380235, 3808376, 4760470, 9520940, 19041880]

約数ペア:

[(1, 19041880), (2, 9520940), (4, 4760470), (5, 3808376), (8, 2380235), (10, 1904188), (11, 1731080), (13, 1464760), (20, 952094), (22, 865540), (26, 732380), (40, 476047), (44, 432770), (52, 366190), (55, 346216), (65, 292952), (88, 216385), (104, 183095), (110, 173108), (130, 146476), (143, 133160), (220, 86554), (260, 73238), (286, 66580), (440, 43277), (520, 36619), (572, 33290), (715, 26632), (1144, 16645), (1430, 13316), (2860, 6658), (3329, 5720)]