1821980144

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{59651}}^1$

素因数の和:59765

約数の個数: 40

約数和(自身を含む): 3728011392

約数和(自身を除く): 1906031248

約数列:

[1, 2, 4, 8, 16, 23, 46, 83, 92, 166, 184, 332, 368, 664, 1328, 1909, 3818, 7636, 15272, 30544, 59651, 119302, 238604, 477208, 954416, 1371973, 2743946, 4951033, 5487892, 9902066, 10975784, 19804132, 21951568, 39608264, 79216528, 113873759, 227747518, 455495036, 910990072, 1821980144]

約数ペア:

[(1, 1821980144), (2, 910990072), (4, 455495036), (8, 227747518), (16, 113873759), (23, 79216528), (46, 39608264), (83, 21951568), (92, 19804132), (166, 10975784), (184, 9902066), (332, 5487892), (368, 4951033), (664, 2743946), (1328, 1371973), (1909, 954416), (3818, 477208), (7636, 238604), (15272, 119302), (30544, 59651)]