19116825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2801}}^1$

素因数の和:2834

約数の個数: 48

約数和(自身を含む): 38914176

約数和(自身を除く): 19797351

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 2801, 6825, 8403, 14005, 19607, 36413, 42015, 58821, 70025, 98035, 109239, 182065, 210075, 254891, 294105, 490175, 546195, 764673, 910325, 1274455, 1470525, 2730975, 3823365, 6372275, 19116825]

約数ペア:

[(1, 19116825), (3, 6372275), (5, 3823365), (7, 2730975), (13, 1470525), (15, 1274455), (21, 910325), (25, 764673), (35, 546195), (39, 490175), (65, 294105), (75, 254891), (91, 210075), (105, 182065), (175, 109239), (195, 98035), (273, 70025), (325, 58821), (455, 42015), (525, 36413), (975, 19607), (1365, 14005), (2275, 8403), (2801, 6825)]