2018489918

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 3321077760

約数和(自身を除く): 1302587842

約数列:

[1, 2, 31, 43, 47, 62, 86, 89, 94, 178, 181, 362, 1333, 1457, 2021, 2666, 2759, 2914, 3827, 4042, 4183, 5518, 5611, 7654, 7783, 8366, 8507, 11222, 15566, 16109, 17014, 32218, 62651, 118637, 125302, 129673, 179869, 237274, 241273, 259346, 263717, 359738, 365801, 482546, 499379, 527434, 692687, 731602, 757123, 998758, 1385374, 1514246, 5575939, 11151878, 11339831, 21473297, 22679662, 23470813, 32556289, 42946594, 46941626, 65112578, 1009244959, 2018489918]

約数ペア:

[(1, 2018489918), (2, 1009244959), (31, 65112578), (43, 46941626), (47, 42946594), (62, 32556289), (86, 23470813), (89, 22679662), (94, 21473297), (178, 11339831), (181, 11151878), (362, 5575939), (1333, 1514246), (1457, 1385374), (2021, 998758), (2666, 757123), (2759, 731602), (2914, 692687), (3827, 527434), (4042, 499379), (4183, 482546), (5518, 365801), (5611, 359738), (7654, 263717), (7783, 259346), (8366, 241273), (8507, 237274), (11222, 179869), (15566, 129673), (16109, 125302), (17014, 118637), (32218, 62651)]