19020195

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 37267776

約数和(自身を除く): 18247581

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 47, 51, 69, 85, 115, 141, 153, 207, 235, 255, 345, 391, 423, 529, 705, 765, 799, 1035, 1081, 1173, 1587, 1955, 2115, 2397, 2645, 3243, 3519, 3995, 4761, 5405, 5865, 7191, 7935, 8993, 9729, 11985, 16215, 17595, 18377, 23805, 24863, 26979, 35955, 44965, 48645, 55131, 74589, 80937, 91885, 124315, 134895, 165393, 223767, 275655, 372945, 404685, 422671, 826965, 1118835, 1268013, 2113355, 3804039, 6340065, 19020195]

約数ペア:

[(1, 19020195), (3, 6340065), (5, 3804039), (9, 2113355), (15, 1268013), (17, 1118835), (23, 826965), (45, 422671), (47, 404685), (51, 372945), (69, 275655), (85, 223767), (115, 165393), (141, 134895), (153, 124315), (207, 91885), (235, 80937), (255, 74589), (345, 55131), (391, 48645), (423, 44965), (529, 35955), (705, 26979), (765, 24863), (799, 23805), (1035, 18377), (1081, 17595), (1173, 16215), (1587, 11985), (1955, 9729), (2115, 8993), (2397, 7935), (2645, 7191), (3243, 5865), (3519, 5405), (3995, 4761)]