19497240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2579}}^1$

素因数の和:2606

約数の個数: 128

約数和(自身を含む): 74304000

約数和(自身を除く): 54806760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 2579, 3780, 5158, 7560, 7737, 10316, 12895, 15474, 18053, 20632, 23211, 25790, 30948, 36106, 38685, 46422, 51580, 54159, 61896, 69633, 72212, 77370, 90265, 92844, 103160, 108318, 116055, 139266, 144424, 154740, 162477, 180530, 185688, 216636, 232110, 270795, 278532, 309480, 324954, 348165, 361060, 433272, 464220, 487431, 541590, 557064, 649908, 696330, 722120, 812385, 928440, 974862, 1083180, 1299816, 1392660, 1624770, 1949724, 2166360, 2437155, 2785320, 3249540, 3899448, 4874310, 6499080, 9748620, 19497240]

約数ペア:

[(1, 19497240), (2, 9748620), (3, 6499080), (4, 4874310), (5, 3899448), (6, 3249540), (7, 2785320), (8, 2437155), (9, 2166360), (10, 1949724), (12, 1624770), (14, 1392660), (15, 1299816), (18, 1083180), (20, 974862), (21, 928440), (24, 812385), (27, 722120), (28, 696330), (30, 649908), (35, 557064), (36, 541590), (40, 487431), (42, 464220), (45, 433272), (54, 361060), (56, 348165), (60, 324954), (63, 309480), (70, 278532), (72, 270795), (84, 232110), (90, 216636), (105, 185688), (108, 180530), (120, 162477), (126, 154740), (135, 144424), (140, 139266), (168, 116055), (180, 108318), (189, 103160), (210, 92844), (216, 90265), (252, 77370), (270, 72212), (280, 69633), (315, 61896), (360, 54159), (378, 51580), (420, 46422), (504, 38685), (540, 36106), (630, 30948), (756, 25790), (840, 23211), (945, 20632), (1080, 18053), (1260, 15474), (1512, 12895), (1890, 10316), (2520, 7737), (2579, 7560), (3780, 5158)]