19581892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 40497408

約数和(自身を除く): 20915516

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 47, 68, 94, 187, 188, 374, 517, 557, 748, 799, 1034, 1114, 1598, 2068, 2228, 3196, 6127, 8789, 9469, 12254, 17578, 18938, 24508, 26179, 35156, 37876, 52358, 104159, 104716, 208318, 287969, 416636, 445043, 575938, 890086, 1151876, 1780172, 4895473, 9790946, 19581892]

約数ペア:

[(1, 19581892), (2, 9790946), (4, 4895473), (11, 1780172), (17, 1151876), (22, 890086), (34, 575938), (44, 445043), (47, 416636), (68, 287969), (94, 208318), (187, 104716), (188, 104159), (374, 52358), (517, 37876), (557, 35156), (748, 26179), (799, 24508), (1034, 18938), (1114, 17578), (1598, 12254), (2068, 9469), (2228, 8789), (3196, 6127)]