19123810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 39128832

約数和(自身を除く): 20005022

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 67, 73, 85, 115, 134, 146, 170, 230, 335, 365, 391, 670, 730, 782, 1139, 1241, 1541, 1679, 1955, 2278, 2482, 3082, 3358, 3910, 4891, 5695, 6205, 7705, 8395, 9782, 11390, 12410, 15410, 16790, 24455, 26197, 28543, 48910, 52394, 57086, 83147, 112493, 130985, 142715, 166294, 224986, 261970, 285430, 415735, 562465, 831470, 1124930, 1912381, 3824762, 9561905, 19123810]

約数ペア:

[(1, 19123810), (2, 9561905), (5, 3824762), (10, 1912381), (17, 1124930), (23, 831470), (34, 562465), (46, 415735), (67, 285430), (73, 261970), (85, 224986), (115, 166294), (134, 142715), (146, 130985), (170, 112493), (230, 83147), (335, 57086), (365, 52394), (391, 48910), (670, 28543), (730, 26197), (782, 24455), (1139, 16790), (1241, 15410), (1541, 12410), (1679, 11390), (1955, 9782), (2278, 8395), (2482, 7705), (3082, 6205), (3358, 5695), (3910, 4891)]