19919220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 59633280

約数和(自身を除く): 39714060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 101, 114, 173, 190, 202, 228, 285, 303, 346, 380, 404, 505, 519, 570, 606, 692, 865, 1010, 1038, 1140, 1212, 1515, 1730, 1919, 2020, 2076, 2595, 3030, 3287, 3460, 3838, 5190, 5757, 6060, 6574, 7676, 9595, 9861, 10380, 11514, 13148, 16435, 17473, 19190, 19722, 23028, 28785, 32870, 34946, 38380, 39444, 49305, 52419, 57570, 65740, 69892, 87365, 98610, 104838, 115140, 174730, 197220, 209676, 262095, 331987, 349460, 524190, 663974, 995961, 1048380, 1327948, 1659935, 1991922, 3319870, 3983844, 4979805, 6639740, 9959610, 19919220]

約数ペア:

[(1, 19919220), (2, 9959610), (3, 6639740), (4, 4979805), (5, 3983844), (6, 3319870), (10, 1991922), (12, 1659935), (15, 1327948), (19, 1048380), (20, 995961), (30, 663974), (38, 524190), (57, 349460), (60, 331987), (76, 262095), (95, 209676), (101, 197220), (114, 174730), (173, 115140), (190, 104838), (202, 98610), (228, 87365), (285, 69892), (303, 65740), (346, 57570), (380, 52419), (404, 49305), (505, 39444), (519, 38380), (570, 34946), (606, 32870), (692, 28785), (865, 23028), (1010, 19722), (1038, 19190), (1140, 17473), (1212, 16435), (1515, 13148), (1730, 11514), (1919, 10380), (2020, 9861), (2076, 9595), (2595, 7676), (3030, 6574), (3287, 6060), (3460, 5757), (3838, 5190)]