18451020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 59609088

約数和(自身を除く): 41158068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 197, 210, 223, 394, 420, 446, 591, 669, 788, 892, 985, 1115, 1182, 1338, 1379, 1561, 1970, 2230, 2364, 2676, 2758, 2955, 3122, 3345, 3940, 4137, 4460, 4683, 5516, 5910, 6244, 6690, 6895, 7805, 8274, 9366, 11820, 13380, 13790, 15610, 16548, 18732, 20685, 23415, 27580, 31220, 41370, 43931, 46830, 82740, 87862, 93660, 131793, 175724, 219655, 263586, 307517, 439310, 527172, 615034, 658965, 878620, 922551, 1230068, 1317930, 1537585, 1845102, 2635860, 3075170, 3690204, 4612755, 6150340, 9225510, 18451020]

約数ペア:

[(1, 18451020), (2, 9225510), (3, 6150340), (4, 4612755), (5, 3690204), (6, 3075170), (7, 2635860), (10, 1845102), (12, 1537585), (14, 1317930), (15, 1230068), (20, 922551), (21, 878620), (28, 658965), (30, 615034), (35, 527172), (42, 439310), (60, 307517), (70, 263586), (84, 219655), (105, 175724), (140, 131793), (197, 93660), (210, 87862), (223, 82740), (394, 46830), (420, 43931), (446, 41370), (591, 31220), (669, 27580), (788, 23415), (892, 20685), (985, 18732), (1115, 16548), (1182, 15610), (1338, 13790), (1379, 13380), (1561, 11820), (1970, 9366), (2230, 8274), (2364, 7805), (2676, 6895), (2758, 6690), (2955, 6244), (3122, 5910), (3345, 5516), (3940, 4683), (4137, 4460)]