18538300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 46247040

約数和(自身を除く): 27708740

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 887, 950, 1045, 1100, 1774, 1900, 2090, 3548, 4180, 4435, 5225, 8870, 9757, 10450, 16853, 17740, 19514, 20900, 22175, 33706, 39028, 44350, 48785, 67412, 84265, 88700, 97570, 168530, 185383, 195140, 243925, 337060, 370766, 421325, 487850, 741532, 842650, 926915, 975700, 1685300, 1853830, 3707660, 4634575, 9269150, 18538300]

約数ペア:

[(1, 18538300), (2, 9269150), (4, 4634575), (5, 3707660), (10, 1853830), (11, 1685300), (19, 975700), (20, 926915), (22, 842650), (25, 741532), (38, 487850), (44, 421325), (50, 370766), (55, 337060), (76, 243925), (95, 195140), (100, 185383), (110, 168530), (190, 97570), (209, 88700), (220, 84265), (275, 67412), (380, 48785), (418, 44350), (475, 39028), (550, 33706), (836, 22175), (887, 20900), (950, 19514), (1045, 17740), (1100, 16853), (1774, 10450), (1900, 9757), (2090, 8870), (3548, 5225), (4180, 4435)]