18780658798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1747}}^1\times {\mathrm{4483}}^1$

素因数の和:6352

約数の個数: 32

約数和(自身を含む): 31038606720

約数和(自身を除く): 12257947922

約数列:

[1, 2, 11, 22, 109, 218, 1199, 1747, 2398, 3494, 4483, 8966, 19217, 38434, 49313, 98626, 190423, 380846, 488647, 977294, 2094653, 4189306, 5375117, 7831801, 10750234, 15663602, 86149811, 172299622, 853666309, 1707332618, 9390329399, 18780658798]

約数ペア:

[(1, 18780658798), (2, 9390329399), (11, 1707332618), (22, 853666309), (109, 172299622), (218, 86149811), (1199, 15663602), (1747, 10750234), (2398, 7831801), (3494, 5375117), (4483, 4189306), (8966, 2094653), (19217, 977294), (38434, 488647), (49313, 380846), (98626, 190423)]