18911750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:87

約数の個数: 96

約数和(自身を含む): 43479072

約数和(自身を除く): 24567322

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 25, 26, 46, 50, 55, 65, 110, 115, 125, 130, 143, 230, 250, 253, 275, 286, 299, 325, 506, 529, 550, 575, 598, 650, 715, 1058, 1150, 1265, 1375, 1430, 1495, 1625, 2530, 2645, 2750, 2875, 2990, 3250, 3289, 3575, 5290, 5750, 5819, 6325, 6578, 6877, 7150, 7475, 11638, 12650, 13225, 13754, 14950, 16445, 17875, 26450, 29095, 31625, 32890, 34385, 35750, 37375, 58190, 63250, 66125, 68770, 74750, 75647, 82225, 132250, 145475, 151294, 164450, 171925, 290950, 343850, 378235, 411125, 727375, 756470, 822250, 859625, 1454750, 1719250, 1891175, 3782350, 9455875, 18911750]

約数ペア:

[(1, 18911750), (2, 9455875), (5, 3782350), (10, 1891175), (11, 1719250), (13, 1454750), (22, 859625), (23, 822250), (25, 756470), (26, 727375), (46, 411125), (50, 378235), (55, 343850), (65, 290950), (110, 171925), (115, 164450), (125, 151294), (130, 145475), (143, 132250), (230, 82225), (250, 75647), (253, 74750), (275, 68770), (286, 66125), (299, 63250), (325, 58190), (506, 37375), (529, 35750), (550, 34385), (575, 32890), (598, 31625), (650, 29095), (715, 26450), (1058, 17875), (1150, 16445), (1265, 14950), (1375, 13754), (1430, 13225), (1495, 12650), (1625, 11638), (2530, 7475), (2645, 7150), (2750, 6877), (2875, 6578), (2990, 6325), (3250, 5819), (3289, 5750), (3575, 5290)]