19912323310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1\times {\mathrm{3121}}^1$

素因数の和:5041

約数の個数: 64

約数和(自身を含む): 40396382208

約数和(自身を除く): 20484058898

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 1871, 3121, 3410, 3742, 6242, 9355, 15605, 18710, 20581, 31210, 34331, 41162, 58001, 68662, 96751, 102905, 116002, 171655, 193502, 205810, 290005, 343310, 483755, 580010, 638011, 967510, 1064261, 1276022, 2128522, 3190055, 5321305, 5839391, 6380110, 10642610, 11678782, 29196955, 58393910, 64233301, 128466602, 181021121, 321166505, 362042242, 642333010, 905105605, 1810211210, 1991232331, 3982464662, 9956161655, 19912323310]

約数ペア:

[(1, 19912323310), (2, 9956161655), (5, 3982464662), (10, 1991232331), (11, 1810211210), (22, 905105605), (31, 642333010), (55, 362042242), (62, 321166505), (110, 181021121), (155, 128466602), (310, 64233301), (341, 58393910), (682, 29196955), (1705, 11678782), (1871, 10642610), (3121, 6380110), (3410, 5839391), (3742, 5321305), (6242, 3190055), (9355, 2128522), (15605, 1276022), (18710, 1064261), (20581, 967510), (31210, 638011), (34331, 580010), (41162, 483755), (58001, 343310), (68662, 290005), (96751, 205810), (102905, 193502), (116002, 171655)]