2019248180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{647}}^1$

素因数の和:909

約数の個数: 96

約数和(自身を含む): 4598415360

約数和(自身を除く): 2579167180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 191, 215, 380, 382, 430, 647, 764, 817, 860, 955, 1294, 1634, 1910, 2588, 3235, 3268, 3629, 3820, 4085, 6470, 7258, 8170, 8213, 12293, 12940, 14516, 16340, 16426, 18145, 24586, 27821, 32852, 36290, 41065, 49172, 55642, 61465, 72580, 82130, 111284, 122930, 123577, 139105, 156047, 164260, 245860, 247154, 278210, 312094, 494308, 528599, 556420, 617885, 624188, 780235, 1057198, 1235770, 1560470, 2114396, 2347963, 2471540, 2642995, 3120940, 4695926, 5285990, 5313811, 9391852, 10571980, 10627622, 11739815, 21255244, 23479630, 26569055, 46959260, 53138110, 100962409, 106276220, 201924818, 403849636, 504812045, 1009624090, 2019248180]

約数ペア:

[(1, 2019248180), (2, 1009624090), (4, 504812045), (5, 403849636), (10, 201924818), (19, 106276220), (20, 100962409), (38, 53138110), (43, 46959260), (76, 26569055), (86, 23479630), (95, 21255244), (172, 11739815), (190, 10627622), (191, 10571980), (215, 9391852), (380, 5313811), (382, 5285990), (430, 4695926), (647, 3120940), (764, 2642995), (817, 2471540), (860, 2347963), (955, 2114396), (1294, 1560470), (1634, 1235770), (1910, 1057198), (2588, 780235), (3235, 624188), (3268, 617885), (3629, 556420), (3820, 528599), (4085, 494308), (6470, 312094), (7258, 278210), (8170, 247154), (8213, 245860), (12293, 164260), (12940, 156047), (14516, 139105), (16340, 123577), (16426, 122930), (18145, 111284), (24586, 82130), (27821, 72580), (32852, 61465), (36290, 55642), (41065, 49172)]