19742131420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{24851}}^1$

素因数の和:25051

約数の個数: 96

約数和(自身を含む): 47496347136

約数和(自身を除く): 27754215716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 157, 220, 230, 253, 314, 460, 506, 628, 785, 1012, 1265, 1570, 1727, 2530, 3140, 3454, 3611, 5060, 6908, 7222, 8635, 14444, 17270, 18055, 24851, 34540, 36110, 39721, 49702, 72220, 79442, 99404, 124255, 158884, 198605, 248510, 273361, 397210, 497020, 546722, 571573, 794420, 1093444, 1143146, 1366805, 2286292, 2733610, 2857865, 3901607, 5467220, 5715730, 6287303, 7803214, 11431460, 12574606, 15606428, 19508035, 25149212, 31436515, 39016070, 42917677, 62873030, 78032140, 85835354, 89736961, 125746060, 171670708, 179473922, 214588385, 358947844, 429176770, 448684805, 858353540, 897369610, 987106571, 1794739220, 1974213142, 3948426284, 4935532855, 9871065710, 19742131420]

約数ペア:

[(1, 19742131420), (2, 9871065710), (4, 4935532855), (5, 3948426284), (10, 1974213142), (11, 1794739220), (20, 987106571), (22, 897369610), (23, 858353540), (44, 448684805), (46, 429176770), (55, 358947844), (92, 214588385), (110, 179473922), (115, 171670708), (157, 125746060), (220, 89736961), (230, 85835354), (253, 78032140), (314, 62873030), (460, 42917677), (506, 39016070), (628, 31436515), (785, 25149212), (1012, 19508035), (1265, 15606428), (1570, 12574606), (1727, 11431460), (2530, 7803214), (3140, 6287303), (3454, 5715730), (3611, 5467220), (5060, 3901607), (6908, 2857865), (7222, 2733610), (8635, 2286292), (14444, 1366805), (17270, 1143146), (18055, 1093444), (24851, 794420), (34540, 571573), (36110, 546722), (39721, 497020), (49702, 397210), (72220, 273361), (79442, 248510), (99404, 198605), (124255, 158884)]