19365940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 28897100

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 41, 44, 55, 76, 82, 95, 110, 113, 164, 190, 205, 209, 220, 226, 380, 410, 418, 451, 452, 565, 779, 820, 836, 902, 1045, 1130, 1243, 1558, 1804, 2090, 2147, 2255, 2260, 2486, 3116, 3895, 4180, 4294, 4510, 4633, 4972, 6215, 7790, 8569, 8588, 9020, 9266, 10735, 12430, 15580, 17138, 18532, 21470, 23165, 23617, 24860, 34276, 42845, 42940, 46330, 47234, 50963, 85690, 88027, 92660, 94468, 101926, 118085, 171380, 176054, 203852, 236170, 254815, 352108, 440135, 472340, 509630, 880270, 968297, 1019260, 1760540, 1936594, 3873188, 4841485, 9682970, 19365940]

約数ペア:

[(1, 19365940), (2, 9682970), (4, 4841485), (5, 3873188), (10, 1936594), (11, 1760540), (19, 1019260), (20, 968297), (22, 880270), (38, 509630), (41, 472340), (44, 440135), (55, 352108), (76, 254815), (82, 236170), (95, 203852), (110, 176054), (113, 171380), (164, 118085), (190, 101926), (205, 94468), (209, 92660), (220, 88027), (226, 85690), (380, 50963), (410, 47234), (418, 46330), (451, 42940), (452, 42845), (565, 34276), (779, 24860), (820, 23617), (836, 23165), (902, 21470), (1045, 18532), (1130, 17138), (1243, 15580), (1558, 12430), (1804, 10735), (2090, 9266), (2147, 9020), (2255, 8588), (2260, 8569), (2486, 7790), (3116, 6215), (3895, 4972), (4180, 4633), (4294, 4510)]