2019338620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{408773}}^1$

素因数の和:408814

約数の個数: 48

約数和(自身を含む): 4807182240

約数和(自身を除く): 2787843620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 408773, 817546, 1635092, 2043865, 4087730, 5314049, 7766687, 8175460, 10628098, 15533374, 21256196, 26570245, 31066748, 38833435, 53140490, 77666870, 100966931, 106280980, 155333740, 201933862, 403867724, 504834655, 1009669310, 2019338620]

約数ペア:

[(1, 2019338620), (2, 1009669310), (4, 504834655), (5, 403867724), (10, 201933862), (13, 155333740), (19, 106280980), (20, 100966931), (26, 77666870), (38, 53140490), (52, 38833435), (65, 31066748), (76, 26570245), (95, 21256196), (130, 15533374), (190, 10628098), (247, 8175460), (260, 7766687), (380, 5314049), (494, 4087730), (988, 2043865), (1235, 1635092), (2470, 817546), (4940, 408773)]