18219819112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{265781}}^1$

素因数の和:265858

約数の個数: 64

約数和(自身を含む): 40186238400

約数和(自身を除く): 21966419288

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 41, 44, 76, 82, 88, 152, 164, 209, 328, 418, 451, 779, 836, 902, 1558, 1672, 1804, 3116, 3608, 6232, 8569, 17138, 34276, 68552, 265781, 531562, 1063124, 2126248, 2923591, 5049839, 5847182, 10099678, 10897021, 11694364, 20199356, 21794042, 23388728, 40398712, 43588084, 55548229, 87176168, 111096458, 119867231, 207043399, 222192916, 239734462, 414086798, 444385832, 479468924, 828173596, 958937848, 1656347192, 2277477389, 4554954778, 9109909556, 18219819112]

約数ペア:

[(1, 18219819112), (2, 9109909556), (4, 4554954778), (8, 2277477389), (11, 1656347192), (19, 958937848), (22, 828173596), (38, 479468924), (41, 444385832), (44, 414086798), (76, 239734462), (82, 222192916), (88, 207043399), (152, 119867231), (164, 111096458), (209, 87176168), (328, 55548229), (418, 43588084), (451, 40398712), (779, 23388728), (836, 21794042), (902, 20199356), (1558, 11694364), (1672, 10897021), (1804, 10099678), (3116, 5847182), (3608, 5049839), (6232, 2923591), (8569, 2126248), (17138, 1063124), (34276, 531562), (68552, 265781)]