19674081

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 33945600

約数和(自身を除く): 14271519

約数列:

[1, 3, 7, 9, 21, 59, 63, 67, 79, 177, 201, 237, 413, 469, 531, 553, 603, 711, 1239, 1407, 1659, 3717, 3953, 4221, 4661, 4977, 5293, 11859, 13983, 15879, 27671, 32627, 35577, 37051, 41949, 47637, 83013, 97881, 111153, 249039, 293643, 312287, 333459, 936861, 2186009, 2810583, 6558027, 19674081]

約数ペア:

[(1, 19674081), (3, 6558027), (7, 2810583), (9, 2186009), (21, 936861), (59, 333459), (63, 312287), (67, 293643), (79, 249039), (177, 111153), (201, 97881), (237, 83013), (413, 47637), (469, 41949), (531, 37051), (553, 35577), (603, 32627), (711, 27671), (1239, 15879), (1407, 13983), (1659, 11859), (3717, 5293), (3953, 4977), (4221, 4661)]