17796340

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 38683008

約数和(自身を除く): 20886668

約数列:

[1, 2, 4, 5, 10, 20, 53, 103, 106, 163, 206, 212, 265, 326, 412, 515, 530, 652, 815, 1030, 1060, 1630, 2060, 3260, 5459, 8639, 10918, 16789, 17278, 21836, 27295, 33578, 34556, 43195, 54590, 67156, 83945, 86390, 109180, 167890, 172780, 335780, 889817, 1779634, 3559268, 4449085, 8898170, 17796340]

約数ペア:

[(1, 17796340), (2, 8898170), (4, 4449085), (5, 3559268), (10, 1779634), (20, 889817), (53, 335780), (103, 172780), (106, 167890), (163, 109180), (206, 86390), (212, 83945), (265, 67156), (326, 54590), (412, 43195), (515, 34556), (530, 33578), (652, 27295), (815, 21836), (1030, 17278), (1060, 16789), (1630, 10918), (2060, 8639), (3260, 5459)]