19863918

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 44491200

約数和(自身を除く): 24627282

約数列:

[1, 2, 3, 6, 9, 18, 61, 79, 122, 158, 183, 229, 237, 366, 458, 474, 549, 687, 711, 1098, 1374, 1422, 2061, 4122, 4819, 9638, 13969, 14457, 18091, 27938, 28914, 36182, 41907, 43371, 54273, 83814, 86742, 108546, 125721, 162819, 251442, 325638, 1103551, 2207102, 3310653, 6621306, 9931959, 19863918]

約数ペア:

[(1, 19863918), (2, 9931959), (3, 6621306), (6, 3310653), (9, 2207102), (18, 1103551), (61, 325638), (79, 251442), (122, 162819), (158, 125721), (183, 108546), (229, 86742), (237, 83814), (366, 54273), (458, 43371), (474, 41907), (549, 36182), (687, 28914), (711, 27938), (1098, 18091), (1374, 14457), (1422, 13969), (2061, 9638), (4122, 4819)]