19811160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:617

約数の個数: 96

約数和(自身を含む): 65089440

約数和(自身を除く): 45278280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 113, 120, 180, 226, 339, 360, 452, 487, 565, 678, 904, 974, 1017, 1130, 1356, 1461, 1695, 1948, 2034, 2260, 2435, 2712, 2922, 3390, 3896, 4068, 4383, 4520, 4870, 5085, 5844, 6780, 7305, 8136, 8766, 9740, 10170, 11688, 13560, 14610, 17532, 19480, 20340, 21915, 29220, 35064, 40680, 43830, 55031, 58440, 87660, 110062, 165093, 175320, 220124, 275155, 330186, 440248, 495279, 550310, 660372, 825465, 990558, 1100620, 1320744, 1650930, 1981116, 2201240, 2476395, 3301860, 3962232, 4952790, 6603720, 9905580, 19811160]

約数ペア:

[(1, 19811160), (2, 9905580), (3, 6603720), (4, 4952790), (5, 3962232), (6, 3301860), (8, 2476395), (9, 2201240), (10, 1981116), (12, 1650930), (15, 1320744), (18, 1100620), (20, 990558), (24, 825465), (30, 660372), (36, 550310), (40, 495279), (45, 440248), (60, 330186), (72, 275155), (90, 220124), (113, 175320), (120, 165093), (180, 110062), (226, 87660), (339, 58440), (360, 55031), (452, 43830), (487, 40680), (565, 35064), (678, 29220), (904, 21915), (974, 20340), (1017, 19480), (1130, 17532), (1356, 14610), (1461, 13560), (1695, 11688), (1948, 10170), (2034, 9740), (2260, 8766), (2435, 8136), (2712, 7305), (2922, 6780), (3390, 5844), (3896, 5085), (4068, 4870), (4383, 4520)]