19691638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 12967562

約数列:

[1, 2, 19, 29, 38, 58, 107, 167, 214, 334, 551, 1102, 2033, 3103, 3173, 4066, 4843, 6206, 6346, 9686, 17869, 35738, 58957, 92017, 117914, 184034, 339511, 518201, 679022, 1036402, 9845819, 19691638]

約数ペア:

[(1, 19691638), (2, 9845819), (19, 1036402), (29, 679022), (38, 518201), (58, 339511), (107, 184034), (167, 117914), (214, 92017), (334, 58957), (551, 35738), (1102, 17869), (2033, 9686), (3103, 6346), (3173, 6206), (4066, 4843)]