1811402164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{12821}}^1$

素因数の和:12881

約数の個数: 72

約数和(自身を含む): 3941995680

約数和(自身を除く): 2130593516

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 169, 209, 247, 286, 338, 418, 494, 572, 676, 836, 988, 1859, 2717, 3211, 3718, 5434, 6422, 7436, 10868, 12821, 12844, 25642, 35321, 51284, 70642, 141031, 141284, 166673, 243599, 282062, 333346, 487198, 564124, 666692, 974396, 1833403, 2166749, 2679589, 3166787, 3666806, 4333498, 5359178, 6333574, 7333612, 8666996, 10718356, 12667148, 23834239, 34834657, 41168231, 47668478, 69669314, 82336462, 95336956, 139338628, 164672924, 452850541, 905701082, 1811402164]

約数ペア:

[(1, 1811402164), (2, 905701082), (4, 452850541), (11, 164672924), (13, 139338628), (19, 95336956), (22, 82336462), (26, 69669314), (38, 47668478), (44, 41168231), (52, 34834657), (76, 23834239), (143, 12667148), (169, 10718356), (209, 8666996), (247, 7333612), (286, 6333574), (338, 5359178), (418, 4333498), (494, 3666806), (572, 3166787), (676, 2679589), (836, 2166749), (988, 1833403), (1859, 974396), (2717, 666692), (3211, 564124), (3718, 487198), (5434, 333346), (6422, 282062), (7436, 243599), (10868, 166673), (12821, 141284), (12844, 141031), (25642, 70642), (35321, 51284)]