18891756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1091}}^1$

素因数の和:1151

約数の個数: 72

約数和(自身を含む): 52865904

約数和(自身を除く): 33974148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1091, 1332, 1443, 1924, 2182, 2886, 3273, 4329, 4364, 5772, 6546, 8658, 9819, 13092, 14183, 17316, 19638, 28366, 39276, 40367, 42549, 56732, 80734, 85098, 121101, 127647, 161468, 170196, 242202, 255294, 363303, 484404, 510588, 524771, 726606, 1049542, 1453212, 1574313, 2099084, 3148626, 4722939, 6297252, 9445878, 18891756]

約数ペア:

[(1, 18891756), (2, 9445878), (3, 6297252), (4, 4722939), (6, 3148626), (9, 2099084), (12, 1574313), (13, 1453212), (18, 1049542), (26, 726606), (36, 524771), (37, 510588), (39, 484404), (52, 363303), (74, 255294), (78, 242202), (111, 170196), (117, 161468), (148, 127647), (156, 121101), (222, 85098), (234, 80734), (333, 56732), (444, 42549), (468, 40367), (481, 39276), (666, 28366), (962, 19638), (1091, 17316), (1332, 14183), (1443, 13092), (1924, 9819), (2182, 8658), (2886, 6546), (3273, 5772), (4329, 4364)]