19011100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 44715888

約数和(自身を除く): 25704788

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 53, 68, 85, 100, 106, 170, 211, 212, 265, 340, 422, 425, 530, 844, 850, 901, 1055, 1060, 1325, 1700, 1802, 2110, 2650, 3587, 3604, 4220, 4505, 5275, 5300, 7174, 9010, 10550, 11183, 14348, 17935, 18020, 21100, 22366, 22525, 35870, 44732, 45050, 55915, 71740, 89675, 90100, 111830, 179350, 190111, 223660, 279575, 358700, 380222, 559150, 760444, 950555, 1118300, 1901110, 3802220, 4752775, 9505550, 19011100]

約数ペア:

[(1, 19011100), (2, 9505550), (4, 4752775), (5, 3802220), (10, 1901110), (17, 1118300), (20, 950555), (25, 760444), (34, 559150), (50, 380222), (53, 358700), (68, 279575), (85, 223660), (100, 190111), (106, 179350), (170, 111830), (211, 90100), (212, 89675), (265, 71740), (340, 55915), (422, 45050), (425, 44732), (530, 35870), (844, 22525), (850, 22366), (901, 21100), (1055, 18020), (1060, 17935), (1325, 14348), (1700, 11183), (1802, 10550), (2110, 9010), (2650, 7174), (3587, 5300), (3604, 5275), (4220, 4505)]