19848195

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 36421632

約数和(自身を除く): 16573437

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 127, 151, 207, 345, 381, 453, 635, 755, 1035, 1143, 1359, 1905, 2265, 2921, 3473, 5715, 6795, 8763, 10419, 14605, 17365, 19177, 26289, 31257, 43815, 52095, 57531, 95885, 131445, 156285, 172593, 287655, 441071, 862965, 1323213, 2205355, 3969639, 6616065, 19848195]

約数ペア:

[(1, 19848195), (3, 6616065), (5, 3969639), (9, 2205355), (15, 1323213), (23, 862965), (45, 441071), (69, 287655), (115, 172593), (127, 156285), (151, 131445), (207, 95885), (345, 57531), (381, 52095), (453, 43815), (635, 31257), (755, 26289), (1035, 19177), (1143, 17365), (1359, 14605), (1905, 10419), (2265, 8763), (2921, 6795), (3473, 5715)]