19135120

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4513}}^1$

素因数の和:4579

約数の個数: 40

約数和(自身を含む): 45338616

約数和(自身を除く): 26203496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 4513, 9026, 18052, 22565, 36104, 45130, 72208, 90260, 180520, 239189, 361040, 478378, 956756, 1195945, 1913512, 2391890, 3827024, 4783780, 9567560, 19135120]

約数ペア:

[(1, 19135120), (2, 9567560), (4, 4783780), (5, 3827024), (8, 2391890), (10, 1913512), (16, 1195945), (20, 956756), (40, 478378), (53, 361040), (80, 239189), (106, 180520), (212, 90260), (265, 72208), (424, 45130), (530, 36104), (848, 22565), (1060, 18052), (2120, 9026), (4240, 4513)]