51981910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2160

約数の個数: 32

約数和(自身を含む): 99260640

約数和(自身を除く): 47278730

約数列:

[1, 2, 5, 10, 19, 38, 95, 137, 190, 274, 685, 1370, 1997, 2603, 3994, 5206, 9985, 13015, 19970, 26030, 37943, 75886, 189715, 273589, 379430, 547178, 1367945, 2735890, 5198191, 10396382, 25990955, 51981910]

約数ペア:

[(1, 51981910), (2, 25990955), (5, 10396382), (10, 5198191), (19, 2735890), (38, 1367945), (95, 547178), (137, 379430), (190, 273589), (274, 189715), (685, 75886), (1370, 37943), (1997, 26030), (2603, 19970), (3994, 13015), (5206, 9985)]