19351508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 40134528

約数和(自身を除く): 20783020

約数列:

[1, 2, 4, 11, 17, 22, 34, 41, 44, 68, 82, 164, 187, 374, 451, 631, 697, 748, 902, 1262, 1394, 1804, 2524, 2788, 6941, 7667, 10727, 13882, 15334, 21454, 25871, 27764, 30668, 42908, 51742, 103484, 117997, 235994, 284581, 439807, 471988, 569162, 879614, 1138324, 1759228, 4837877, 9675754, 19351508]

約数ペア:

[(1, 19351508), (2, 9675754), (4, 4837877), (11, 1759228), (17, 1138324), (22, 879614), (34, 569162), (41, 471988), (44, 439807), (68, 284581), (82, 235994), (164, 117997), (187, 103484), (374, 51742), (451, 42908), (631, 30668), (697, 27764), (748, 25871), (902, 21454), (1262, 15334), (1394, 13882), (1804, 10727), (2524, 7667), (2788, 6941)]