2019211515

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{271}}^1\times {\mathrm{313}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 3683988672

約数和(自身を除く): 1664777157

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 271, 313, 345, 529, 813, 939, 1035, 1355, 1565, 1587, 2439, 2645, 2817, 4065, 4695, 4761, 6233, 7199, 7935, 12195, 14085, 18699, 21597, 23805, 31165, 35995, 56097, 64791, 84823, 93495, 107985, 143359, 165577, 254469, 280485, 323955, 424115, 430077, 496731, 716795, 763407, 827885, 1272345, 1290231, 1490193, 1950929, 2150385, 2483655, 3817035, 5852787, 6451155, 7450965, 9754645, 17558361, 29263935, 44871367, 87791805, 134614101, 224356835, 403842303, 673070505, 2019211515]

約数ペア:

[(1, 2019211515), (3, 673070505), (5, 403842303), (9, 224356835), (15, 134614101), (23, 87791805), (45, 44871367), (69, 29263935), (115, 17558361), (207, 9754645), (271, 7450965), (313, 6451155), (345, 5852787), (529, 3817035), (813, 2483655), (939, 2150385), (1035, 1950929), (1355, 1490193), (1565, 1290231), (1587, 1272345), (2439, 827885), (2645, 763407), (2817, 716795), (4065, 496731), (4695, 430077), (4761, 424115), (6233, 323955), (7199, 280485), (7935, 254469), (12195, 165577), (14085, 143359), (18699, 107985), (21597, 93495), (23805, 84823), (31165, 64791), (35995, 56097)]