18695050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1789}}^1$

素因数の和:1831

約数の個数: 48

約数和(自身を含む): 39952800

約数和(自身を除く): 21257750

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 1789, 2090, 3578, 5225, 8945, 10450, 17890, 19679, 33991, 39358, 44725, 67982, 89450, 98395, 169955, 196790, 339910, 373901, 491975, 747802, 849775, 983950, 1699550, 1869505, 3739010, 9347525, 18695050]

約数ペア:

[(1, 18695050), (2, 9347525), (5, 3739010), (10, 1869505), (11, 1699550), (19, 983950), (22, 849775), (25, 747802), (38, 491975), (50, 373901), (55, 339910), (95, 196790), (110, 169955), (190, 98395), (209, 89450), (275, 67982), (418, 44725), (475, 39358), (550, 33991), (950, 19679), (1045, 17890), (1789, 10450), (2090, 8945), (3578, 5225)]