17955190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 37946880

約数和(自身を除く): 19991690

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 71, 95, 110, 121, 142, 190, 209, 242, 355, 418, 605, 710, 781, 1045, 1210, 1331, 1349, 1562, 2090, 2299, 2662, 2698, 3905, 4598, 6655, 6745, 7810, 8591, 11495, 13310, 13490, 14839, 17182, 22990, 25289, 29678, 42955, 50578, 74195, 85910, 94501, 126445, 148390, 163229, 189002, 252890, 326458, 472505, 816145, 945010, 1632290, 1795519, 3591038, 8977595, 17955190]

約数ペア:

[(1, 17955190), (2, 8977595), (5, 3591038), (10, 1795519), (11, 1632290), (19, 945010), (22, 816145), (38, 472505), (55, 326458), (71, 252890), (95, 189002), (110, 163229), (121, 148390), (142, 126445), (190, 94501), (209, 85910), (242, 74195), (355, 50578), (418, 42955), (605, 29678), (710, 25289), (781, 22990), (1045, 17182), (1210, 14839), (1331, 13490), (1349, 13310), (1562, 11495), (2090, 8591), (2299, 7810), (2662, 6745), (2698, 6655), (3905, 4598)]