18531700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1033

約数の個数: 72

約数和(自身を含む): 46497024

約数和(自身を除く): 27965324

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 170, 187, 220, 275, 340, 374, 425, 550, 748, 850, 935, 991, 1100, 1700, 1870, 1982, 3740, 3964, 4675, 4955, 9350, 9910, 10901, 16847, 18700, 19820, 21802, 24775, 33694, 43604, 49550, 54505, 67388, 84235, 99100, 109010, 168470, 185317, 218020, 272525, 336940, 370634, 421175, 545050, 741268, 842350, 926585, 1090100, 1684700, 1853170, 3706340, 4632925, 9265850, 18531700]

約数ペア:

[(1, 18531700), (2, 9265850), (4, 4632925), (5, 3706340), (10, 1853170), (11, 1684700), (17, 1090100), (20, 926585), (22, 842350), (25, 741268), (34, 545050), (44, 421175), (50, 370634), (55, 336940), (68, 272525), (85, 218020), (100, 185317), (110, 168470), (170, 109010), (187, 99100), (220, 84235), (275, 67388), (340, 54505), (374, 49550), (425, 43604), (550, 33694), (748, 24775), (850, 21802), (935, 19820), (991, 18700), (1100, 16847), (1700, 10901), (1870, 9910), (1982, 9350), (3740, 4955), (3964, 4675)]