19612180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 50722560

約数和(自身を除く): 31110380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 73, 76, 95, 101, 133, 140, 146, 190, 202, 266, 292, 365, 380, 404, 505, 511, 532, 665, 707, 730, 1010, 1022, 1330, 1387, 1414, 1460, 1919, 2020, 2044, 2555, 2660, 2774, 2828, 3535, 3838, 5110, 5548, 6935, 7070, 7373, 7676, 9595, 9709, 10220, 13433, 13870, 14140, 14746, 19190, 19418, 26866, 27740, 29492, 36865, 38380, 38836, 48545, 51611, 53732, 67165, 73730, 97090, 103222, 134330, 140087, 147460, 194180, 206444, 258055, 268660, 280174, 516110, 560348, 700435, 980609, 1032220, 1400870, 1961218, 2801740, 3922436, 4903045, 9806090, 19612180]

約数ペア:

[(1, 19612180), (2, 9806090), (4, 4903045), (5, 3922436), (7, 2801740), (10, 1961218), (14, 1400870), (19, 1032220), (20, 980609), (28, 700435), (35, 560348), (38, 516110), (70, 280174), (73, 268660), (76, 258055), (95, 206444), (101, 194180), (133, 147460), (140, 140087), (146, 134330), (190, 103222), (202, 97090), (266, 73730), (292, 67165), (365, 53732), (380, 51611), (404, 48545), (505, 38836), (511, 38380), (532, 36865), (665, 29492), (707, 27740), (730, 26866), (1010, 19418), (1022, 19190), (1330, 14746), (1387, 14140), (1414, 13870), (1460, 13433), (1919, 10220), (2020, 9709), (2044, 9595), (2555, 7676), (2660, 7373), (2774, 7070), (2828, 6935), (3535, 5548), (3838, 5110)]