19417120

素因数分解:

$2^5\times 5^1\times {\mathrm{121357}}^1$

素因数の和:121372

約数の個数: 24

約数和(自身を含む): 45873324

約数和(自身を除く): 26456204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121357, 242714, 485428, 606785, 970856, 1213570, 1941712, 2427140, 3883424, 4854280, 9708560, 19417120]

約数ペア:

[(1, 19417120), (2, 9708560), (4, 4854280), (5, 3883424), (8, 2427140), (10, 1941712), (16, 1213570), (20, 970856), (32, 606785), (40, 485428), (80, 242714), (160, 121357)]