19843618

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 12660062

約数列:

[1, 2, 23, 37, 46, 74, 89, 131, 178, 262, 851, 1702, 2047, 3013, 3293, 4094, 4847, 6026, 6586, 9694, 11659, 23318, 75739, 111481, 151478, 222962, 268157, 431383, 536314, 862766, 9921809, 19843618]

約数ペア:

[(1, 19843618), (2, 9921809), (23, 862766), (37, 536314), (46, 431383), (74, 268157), (89, 222962), (131, 151478), (178, 111481), (262, 75739), (851, 23318), (1702, 11659), (2047, 9694), (3013, 6586), (3293, 6026), (4094, 4847)]