19504275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 37330944

約数和(自身を除く): 17826669

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 97, 105, 175, 291, 383, 485, 525, 679, 1149, 1455, 1915, 2037, 2425, 2681, 3395, 5745, 7275, 8043, 9575, 10185, 13405, 16975, 28725, 37151, 40215, 50925, 67025, 111453, 185755, 201075, 260057, 557265, 780171, 928775, 1300285, 2786325, 3900855, 6501425, 19504275]

約数ペア:

[(1, 19504275), (3, 6501425), (5, 3900855), (7, 2786325), (15, 1300285), (21, 928775), (25, 780171), (35, 557265), (75, 260057), (97, 201075), (105, 185755), (175, 111453), (291, 67025), (383, 50925), (485, 40215), (525, 37151), (679, 28725), (1149, 16975), (1455, 13405), (1915, 10185), (2037, 9575), (2425, 8043), (2681, 7275), (3395, 5745)]