17946670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 39315456

約数和(自身を除く): 21368786

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 71, 115, 142, 157, 161, 230, 314, 322, 355, 497, 710, 785, 805, 994, 1099, 1570, 1610, 1633, 2198, 2485, 3266, 3611, 4970, 5495, 7222, 8165, 10990, 11147, 11431, 16330, 18055, 22294, 22862, 25277, 36110, 50554, 55735, 57155, 78029, 111470, 114310, 126385, 156058, 252770, 256381, 390145, 512762, 780290, 1281905, 1794667, 2563810, 3589334, 8973335, 17946670]

約数ペア:

[(1, 17946670), (2, 8973335), (5, 3589334), (7, 2563810), (10, 1794667), (14, 1281905), (23, 780290), (35, 512762), (46, 390145), (70, 256381), (71, 252770), (115, 156058), (142, 126385), (157, 114310), (161, 111470), (230, 78029), (314, 57155), (322, 55735), (355, 50554), (497, 36110), (710, 25277), (785, 22862), (805, 22294), (994, 18055), (1099, 16330), (1570, 11431), (1610, 11147), (1633, 10990), (2198, 8165), (2485, 7222), (3266, 5495), (3611, 4970)]