19915350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1459}}^1$

素因数の和:1494

約数の個数: 96

約数和(自身を含む): 60829440

約数和(自身を除く): 40914090

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 130, 150, 175, 182, 195, 210, 273, 325, 350, 390, 455, 525, 546, 650, 910, 975, 1050, 1365, 1459, 1950, 2275, 2730, 2918, 4377, 4550, 6825, 7295, 8754, 10213, 13650, 14590, 18967, 20426, 21885, 30639, 36475, 37934, 43770, 51065, 56901, 61278, 72950, 94835, 102130, 109425, 113802, 132769, 153195, 189670, 218850, 255325, 265538, 284505, 306390, 398307, 474175, 510650, 569010, 663845, 765975, 796614, 948350, 1327690, 1422525, 1531950, 1991535, 2845050, 3319225, 3983070, 6638450, 9957675, 19915350]

約数ペア:

[(1, 19915350), (2, 9957675), (3, 6638450), (5, 3983070), (6, 3319225), (7, 2845050), (10, 1991535), (13, 1531950), (14, 1422525), (15, 1327690), (21, 948350), (25, 796614), (26, 765975), (30, 663845), (35, 569010), (39, 510650), (42, 474175), (50, 398307), (65, 306390), (70, 284505), (75, 265538), (78, 255325), (91, 218850), (105, 189670), (130, 153195), (150, 132769), (175, 113802), (182, 109425), (195, 102130), (210, 94835), (273, 72950), (325, 61278), (350, 56901), (390, 51065), (455, 43770), (525, 37934), (546, 36475), (650, 30639), (910, 21885), (975, 20426), (1050, 18967), (1365, 14590), (1459, 13650), (1950, 10213), (2275, 8754), (2730, 7295), (2918, 6825), (4377, 4550)]