18072502

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 14102858

約数列:

[1, 2, 7, 14, 37, 74, 139, 251, 259, 278, 502, 518, 973, 1757, 1946, 3514, 5143, 9287, 10286, 18574, 34889, 36001, 65009, 69778, 72002, 130018, 244223, 488446, 1290893, 2581786, 9036251, 18072502]

約数ペア:

[(1, 18072502), (2, 9036251), (7, 2581786), (14, 1290893), (37, 488446), (74, 244223), (139, 130018), (251, 72002), (259, 69778), (278, 65009), (502, 36001), (518, 34889), (973, 18574), (1757, 10286), (1946, 9287), (3514, 5143)]