19092280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 45100800

約数和(自身を除く): 26008520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 155, 173, 178, 248, 310, 346, 356, 445, 620, 692, 712, 865, 890, 1240, 1384, 1730, 1780, 2759, 3460, 3560, 5363, 5518, 6920, 10726, 11036, 13795, 15397, 21452, 22072, 26815, 27590, 30794, 42904, 53630, 55180, 61588, 76985, 107260, 110360, 123176, 153970, 214520, 307940, 477307, 615880, 954614, 1909228, 2386535, 3818456, 4773070, 9546140, 19092280]

約数ペア:

[(1, 19092280), (2, 9546140), (4, 4773070), (5, 3818456), (8, 2386535), (10, 1909228), (20, 954614), (31, 615880), (40, 477307), (62, 307940), (89, 214520), (124, 153970), (155, 123176), (173, 110360), (178, 107260), (248, 76985), (310, 61588), (346, 55180), (356, 53630), (445, 42904), (620, 30794), (692, 27590), (712, 26815), (865, 22072), (890, 21452), (1240, 15397), (1384, 13795), (1730, 11036), (1780, 10726), (2759, 6920), (3460, 5518), (3560, 5363)]