19551120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81463}}^1$

素因数の和:81479

約数の個数: 40

約数和(自身を含む): 60609216

約数和(自身を除く): 41058096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81463, 162926, 244389, 325852, 407315, 488778, 651704, 814630, 977556, 1221945, 1303408, 1629260, 1955112, 2443890, 3258520, 3910224, 4887780, 6517040, 9775560, 19551120]

約数ペア:

[(1, 19551120), (2, 9775560), (3, 6517040), (4, 4887780), (5, 3910224), (6, 3258520), (8, 2443890), (10, 1955112), (12, 1629260), (15, 1303408), (16, 1221945), (20, 977556), (24, 814630), (30, 651704), (40, 488778), (48, 407315), (60, 325852), (80, 244389), (120, 162926), (240, 81463)]