2018803990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{18127}}^1$

素因数の和:18221

約数の個数: 64

約数和(自身を含む): 4364642304

約数和(自身を除く): 2345838314

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 43, 70, 74, 86, 185, 215, 259, 301, 370, 430, 518, 602, 1295, 1505, 1591, 2590, 3010, 3182, 7955, 11137, 15910, 18127, 22274, 36254, 55685, 90635, 111370, 126889, 181270, 253778, 634445, 670699, 779461, 1268890, 1341398, 1558922, 3353495, 3897305, 4694893, 5456227, 6706990, 7794610, 9389786, 10912454, 23474465, 27281135, 28840057, 46948930, 54562270, 57680114, 144200285, 201880399, 288400570, 403760798, 1009401995, 2018803990]

約数ペア:

[(1, 2018803990), (2, 1009401995), (5, 403760798), (7, 288400570), (10, 201880399), (14, 144200285), (35, 57680114), (37, 54562270), (43, 46948930), (70, 28840057), (74, 27281135), (86, 23474465), (185, 10912454), (215, 9389786), (259, 7794610), (301, 6706990), (370, 5456227), (430, 4694893), (518, 3897305), (602, 3353495), (1295, 1558922), (1505, 1341398), (1591, 1268890), (2590, 779461), (3010, 670699), (3182, 634445), (7955, 253778), (11137, 181270), (15910, 126889), (18127, 111370), (22274, 90635), (36254, 55685)]