19278420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 62270208

約数和(自身を除く): 42991788

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, 233, 394, 420, 466, 591, 699, 788, 932, 985, 1165, 1182, 1379, 1398, 1631, 1970, 2330, 2364, 2758, 2796, 2955, 3262, 3495, 3940, 4137, 4660, 4893, 5516, 5910, 6524, 6895, 6990, 8155, 8274, 9786, 11820, 13790, 13980, 16310, 16548, 19572, 20685, 24465, 27580, 32620, 41370, 45901, 48930, 82740, 91802, 97860, 137703, 183604, 229505, 275406, 321307, 459010, 550812, 642614, 688515, 918020, 963921, 1285228, 1377030, 1606535, 1927842, 2754060, 3213070, 3855684, 4819605, 6426140, 9639210, 19278420]

約数ペア:

[(1, 19278420), (2, 9639210), (3, 6426140), (4, 4819605), (5, 3855684), (6, 3213070), (7, 2754060), (10, 1927842), (12, 1606535), (14, 1377030), (15, 1285228), (20, 963921), (21, 918020), (28, 688515), (30, 642614), (35, 550812), (42, 459010), (60, 321307), (70, 275406), (84, 229505), (105, 183604), (140, 137703), (197, 97860), (210, 91802), (233, 82740), (394, 48930), (420, 45901), (466, 41370), (591, 32620), (699, 27580), (788, 24465), (932, 20685), (985, 19572), (1165, 16548), (1182, 16310), (1379, 13980), (1398, 13790), (1631, 11820), (1970, 9786), (2330, 8274), (2364, 8155), (2758, 6990), (2796, 6895), (2955, 6524), (3262, 5910), (3495, 5516), (3940, 4893), (4137, 4660)]