19818120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23593}}^1$

素因数の和:23614

約数の個数: 64

約数和(自身を含む): 67950720

約数和(自身を除く): 48132600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23593, 47186, 70779, 94372, 117965, 141558, 165151, 188744, 235930, 283116, 330302, 353895, 471860, 495453, 566232, 660604, 707790, 825755, 943720, 990906, 1321208, 1415580, 1651510, 1981812, 2477265, 2831160, 3303020, 3963624, 4954530, 6606040, 9909060, 19818120]

約数ペア:

[(1, 19818120), (2, 9909060), (3, 6606040), (4, 4954530), (5, 3963624), (6, 3303020), (7, 2831160), (8, 2477265), (10, 1981812), (12, 1651510), (14, 1415580), (15, 1321208), (20, 990906), (21, 943720), (24, 825755), (28, 707790), (30, 660604), (35, 566232), (40, 495453), (42, 471860), (56, 353895), (60, 330302), (70, 283116), (84, 235930), (105, 188744), (120, 165151), (140, 141558), (168, 117965), (210, 94372), (280, 70779), (420, 47186), (840, 23593)]