18395580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6257}}^1$

素因数の和:6283

約数の個数: 72

約数和(自身を含む): 59926608

約数和(自身を除く): 41531028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6257, 12514, 18771, 25028, 31285, 37542, 43799, 62570, 75084, 87598, 93855, 125140, 131397, 175196, 187710, 218995, 262794, 306593, 375420, 437990, 525588, 613186, 656985, 875980, 919779, 1226372, 1313970, 1532965, 1839558, 2627940, 3065930, 3679116, 4598895, 6131860, 9197790, 18395580]

約数ペア:

[(1, 18395580), (2, 9197790), (3, 6131860), (4, 4598895), (5, 3679116), (6, 3065930), (7, 2627940), (10, 1839558), (12, 1532965), (14, 1313970), (15, 1226372), (20, 919779), (21, 875980), (28, 656985), (30, 613186), (35, 525588), (42, 437990), (49, 375420), (60, 306593), (70, 262794), (84, 218995), (98, 187710), (105, 175196), (140, 131397), (147, 125140), (196, 93855), (210, 87598), (245, 75084), (294, 62570), (420, 43799), (490, 37542), (588, 31285), (735, 25028), (980, 18771), (1470, 12514), (2940, 6257)]