18702860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{563}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 43206912

約数和(自身を除く): 24504052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 563, 604, 755, 1126, 1510, 1661, 2252, 2815, 3020, 3322, 5630, 6193, 6644, 8305, 11260, 12386, 16610, 24772, 30965, 33220, 61930, 85013, 123860, 170026, 340052, 425065, 850130, 935143, 1700260, 1870286, 3740572, 4675715, 9351430, 18702860]

約数ペア:

[(1, 18702860), (2, 9351430), (4, 4675715), (5, 3740572), (10, 1870286), (11, 1700260), (20, 935143), (22, 850130), (44, 425065), (55, 340052), (110, 170026), (151, 123860), (220, 85013), (302, 61930), (563, 33220), (604, 30965), (755, 24772), (1126, 16610), (1510, 12386), (1661, 11260), (2252, 8305), (2815, 6644), (3020, 6193), (3322, 5630)]