2018521340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{22433}}^1$

素因数の和:22862

約数の個数: 48

約数和(自身を含む): 4635761760

約数和(自身を除く): 2617240420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 818, 1636, 2045, 4090, 4499, 8180, 8998, 17996, 22433, 22495, 44866, 44990, 89732, 89980, 112165, 224330, 246763, 448660, 493526, 987052, 1233815, 2467630, 4935260, 9175097, 18350194, 36700388, 45875485, 91750970, 100926067, 183501940, 201852134, 403704268, 504630335, 1009260670, 2018521340]

約数ペア:

[(1, 2018521340), (2, 1009260670), (4, 504630335), (5, 403704268), (10, 201852134), (11, 183501940), (20, 100926067), (22, 91750970), (44, 45875485), (55, 36700388), (110, 18350194), (220, 9175097), (409, 4935260), (818, 2467630), (1636, 1233815), (2045, 987052), (4090, 493526), (4499, 448660), (8180, 246763), (8998, 224330), (17996, 112165), (22433, 89980), (22495, 89732), (44866, 44990)]