19981129056

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4247689}}^1$

素因数の和:4247716

約数の個数: 72

約数和(自身を含む): 61013819160

約数和(自身を除く): 41032690104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4704, 4247689, 8495378, 12743067, 16990756, 25486134, 29733823, 33981512, 50972268, 59467646, 67963024, 89201469, 101944536, 118935292, 135926048, 178402938, 203889072, 208136761, 237870584, 356805876, 407778144, 416273522, 475741168, 624410283, 713611752, 832547044, 951482336, 1248820566, 1427223504, 1665094088, 2497641132, 2854447008, 3330188176, 4995282264, 6660376352, 9990564528, 19981129056]

約数ペア:

[(1, 19981129056), (2, 9990564528), (3, 6660376352), (4, 4995282264), (6, 3330188176), (7, 2854447008), (8, 2497641132), (12, 1665094088), (14, 1427223504), (16, 1248820566), (21, 951482336), (24, 832547044), (28, 713611752), (32, 624410283), (42, 475741168), (48, 416273522), (49, 407778144), (56, 356805876), (84, 237870584), (96, 208136761), (98, 203889072), (112, 178402938), (147, 135926048), (168, 118935292), (196, 101944536), (224, 89201469), (294, 67963024), (336, 59467646), (392, 50972268), (588, 33981512), (672, 29733823), (784, 25486134), (1176, 16990756), (1568, 12743067), (2352, 8495378), (4704, 4247689)]