19614140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{829}}^1$

素因数の和:871

約数の個数: 72

約数和(自身を含む): 51035040

約数和(自身を除く): 31420900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 829, 845, 910, 1183, 1658, 1690, 1820, 2366, 3316, 3380, 4145, 4732, 5803, 5915, 8290, 10777, 11606, 11830, 16580, 21554, 23212, 23660, 29015, 43108, 53885, 58030, 75439, 107770, 116060, 140101, 150878, 215540, 280202, 301756, 377195, 560404, 700505, 754390, 980707, 1401010, 1508780, 1961414, 2802020, 3922828, 4903535, 9807070, 19614140]

約数ペア:

[(1, 19614140), (2, 9807070), (4, 4903535), (5, 3922828), (7, 2802020), (10, 1961414), (13, 1508780), (14, 1401010), (20, 980707), (26, 754390), (28, 700505), (35, 560404), (52, 377195), (65, 301756), (70, 280202), (91, 215540), (130, 150878), (140, 140101), (169, 116060), (182, 107770), (260, 75439), (338, 58030), (364, 53885), (455, 43108), (676, 29015), (829, 23660), (845, 23212), (910, 21554), (1183, 16580), (1658, 11830), (1690, 11606), (1820, 10777), (2366, 8290), (3316, 5915), (3380, 5803), (4145, 4732)]