19378436

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3701}}^1$

素因数の和:3740

約数の個数: 48

約数和(自身を含む): 44779392

約数和(自身を除く): 25400956

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 3701, 5236, 7402, 14804, 25907, 40711, 51814, 62917, 81422, 103628, 125834, 162844, 251668, 284977, 440419, 569954, 692087, 880838, 1139908, 1384174, 1761676, 2768348, 4844609, 9689218, 19378436]

約数ペア:

[(1, 19378436), (2, 9689218), (4, 4844609), (7, 2768348), (11, 1761676), (14, 1384174), (17, 1139908), (22, 880838), (28, 692087), (34, 569954), (44, 440419), (68, 284977), (77, 251668), (119, 162844), (154, 125834), (187, 103628), (238, 81422), (308, 62917), (374, 51814), (476, 40711), (748, 25907), (1309, 14804), (2618, 7402), (3701, 5236)]