19690860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 63608832

約数和(自身を除く): 43917972

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, 173, 210, 271, 346, 420, 519, 542, 692, 813, 865, 1038, 1084, 1211, 1355, 1626, 1730, 1897, 2076, 2422, 2595, 2710, 3252, 3460, 3633, 3794, 4065, 4844, 5190, 5420, 5691, 6055, 7266, 7588, 8130, 9485, 10380, 11382, 12110, 14532, 16260, 18165, 18970, 22764, 24220, 28455, 36330, 37940, 46883, 56910, 72660, 93766, 113820, 140649, 187532, 234415, 281298, 328181, 468830, 562596, 656362, 703245, 937660, 984543, 1312724, 1406490, 1640905, 1969086, 2812980, 3281810, 3938172, 4922715, 6563620, 9845430, 19690860]

約数ペア:

[(1, 19690860), (2, 9845430), (3, 6563620), (4, 4922715), (5, 3938172), (6, 3281810), (7, 2812980), (10, 1969086), (12, 1640905), (14, 1406490), (15, 1312724), (20, 984543), (21, 937660), (28, 703245), (30, 656362), (35, 562596), (42, 468830), (60, 328181), (70, 281298), (84, 234415), (105, 187532), (140, 140649), (173, 113820), (210, 93766), (271, 72660), (346, 56910), (420, 46883), (519, 37940), (542, 36330), (692, 28455), (813, 24220), (865, 22764), (1038, 18970), (1084, 18165), (1211, 16260), (1355, 14532), (1626, 12110), (1730, 11382), (1897, 10380), (2076, 9485), (2422, 8130), (2595, 7588), (2710, 7266), (3252, 6055), (3460, 5691), (3633, 5420), (3794, 5190), (4065, 4844)]