18269900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1019

約数の個数: 72

約数和(自身を含む): 45840816

約数和(自身を除く): 27570916

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, 977, 1100, 1700, 1870, 1954, 3740, 3908, 4675, 4885, 9350, 9770, 10747, 16609, 18700, 19540, 21494, 24425, 33218, 42988, 48850, 53735, 66436, 83045, 97700, 107470, 166090, 182699, 214940, 268675, 332180, 365398, 415225, 537350, 730796, 830450, 913495, 1074700, 1660900, 1826990, 3653980, 4567475, 9134950, 18269900]

約数ペア:

[(1, 18269900), (2, 9134950), (4, 4567475), (5, 3653980), (10, 1826990), (11, 1660900), (17, 1074700), (20, 913495), (22, 830450), (25, 730796), (34, 537350), (44, 415225), (50, 365398), (55, 332180), (68, 268675), (85, 214940), (100, 182699), (110, 166090), (170, 107470), (187, 97700), (220, 83045), (275, 66436), (340, 53735), (374, 48850), (425, 42988), (550, 33218), (748, 24425), (850, 21494), (935, 19540), (977, 18700), (1100, 16609), (1700, 10747), (1870, 9770), (1954, 9350), (3740, 4885), (3908, 4675)]