19619020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3037}}^1$

素因数の和:3082

約数の個数: 48

約数和(自身を含む): 45934560

約数和(自身を除く): 26315540

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3037, 3230, 6074, 6460, 12148, 15185, 30370, 51629, 57703, 60740, 103258, 115406, 206516, 230812, 258145, 288515, 516290, 577030, 980951, 1032580, 1154060, 1961902, 3923804, 4904755, 9809510, 19619020]

約数ペア:

[(1, 19619020), (2, 9809510), (4, 4904755), (5, 3923804), (10, 1961902), (17, 1154060), (19, 1032580), (20, 980951), (34, 577030), (38, 516290), (68, 288515), (76, 258145), (85, 230812), (95, 206516), (170, 115406), (190, 103258), (323, 60740), (340, 57703), (380, 51629), (646, 30370), (1292, 15185), (1615, 12148), (3037, 6460), (3230, 6074)]