18561290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 20629750

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 83, 95, 107, 110, 166, 190, 209, 214, 415, 418, 535, 830, 913, 1045, 1070, 1177, 1577, 1826, 2033, 2090, 2354, 3154, 4066, 4565, 5885, 7885, 8881, 9130, 10165, 11770, 15770, 17347, 17762, 20330, 22363, 34694, 44405, 44726, 86735, 88810, 97691, 111815, 168739, 173470, 195382, 223630, 337478, 488455, 843695, 976910, 1687390, 1856129, 3712258, 9280645, 18561290]

約数ペア:

[(1, 18561290), (2, 9280645), (5, 3712258), (10, 1856129), (11, 1687390), (19, 976910), (22, 843695), (38, 488455), (55, 337478), (83, 223630), (95, 195382), (107, 173470), (110, 168739), (166, 111815), (190, 97691), (209, 88810), (214, 86735), (415, 44726), (418, 44405), (535, 34694), (830, 22363), (913, 20330), (1045, 17762), (1070, 17347), (1177, 15770), (1577, 11770), (1826, 10165), (2033, 9130), (2090, 8881), (2354, 7885), (3154, 5885), (4066, 4565)]