19301940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15319}}^1$

素因数の和:15341

約数の個数: 72

約数和(自身を含む): 66917760

約数和(自身を除く): 47615820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15319, 30638, 45957, 61276, 76595, 91914, 107233, 137871, 153190, 183828, 214466, 229785, 275742, 306380, 321699, 428932, 459570, 536165, 551484, 643398, 689355, 919140, 965097, 1072330, 1286796, 1378710, 1608495, 1930194, 2144660, 2757420, 3216990, 3860388, 4825485, 6433980, 9650970, 19301940]

約数ペア:

[(1, 19301940), (2, 9650970), (3, 6433980), (4, 4825485), (5, 3860388), (6, 3216990), (7, 2757420), (9, 2144660), (10, 1930194), (12, 1608495), (14, 1378710), (15, 1286796), (18, 1072330), (20, 965097), (21, 919140), (28, 689355), (30, 643398), (35, 551484), (36, 536165), (42, 459570), (45, 428932), (60, 321699), (63, 306380), (70, 275742), (84, 229785), (90, 214466), (105, 183828), (126, 153190), (140, 137871), (180, 107233), (210, 91914), (252, 76595), (315, 61276), (420, 45957), (630, 30638), (1260, 15319)]