18720205438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1307}}^1\times {\mathrm{2843}}^1$

素因数の和:4392

約数の個数: 32

約数和(自身を含む): 30801202560

約数和(自身を除く): 12080997122

約数列:

[1, 2, 11, 22, 229, 458, 1307, 2519, 2614, 2843, 5038, 5686, 14377, 28754, 31273, 62546, 299303, 598606, 651047, 1302094, 3292333, 3715801, 6584666, 7161517, 7431602, 14323034, 40873811, 81747622, 850918429, 1701836858, 9360102719, 18720205438]

約数ペア:

[(1, 18720205438), (2, 9360102719), (11, 1701836858), (22, 850918429), (229, 81747622), (458, 40873811), (1307, 14323034), (2519, 7431602), (2614, 7161517), (2843, 6584666), (5038, 3715801), (5686, 3292333), (14377, 1302094), (28754, 651047), (31273, 598606), (62546, 299303)]