18954628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 45158400

約数和(自身を除く): 26203772

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 41, 44, 76, 77, 79, 82, 133, 154, 158, 164, 209, 266, 287, 308, 316, 418, 451, 532, 553, 574, 779, 836, 869, 902, 1106, 1148, 1463, 1501, 1558, 1738, 1804, 2212, 2926, 3002, 3116, 3157, 3239, 3476, 5453, 5852, 6004, 6083, 6314, 6478, 8569, 10507, 10906, 12166, 12628, 12956, 16511, 17138, 21014, 21812, 22673, 24332, 33022, 34276, 35629, 42028, 45346, 59983, 61541, 66044, 71258, 90692, 115577, 119966, 123082, 142516, 231154, 239932, 246164, 249403, 430787, 462308, 498806, 676951, 861574, 997612, 1353902, 1723148, 2707804, 4738657, 9477314, 18954628]

約数ペア:

[(1, 18954628), (2, 9477314), (4, 4738657), (7, 2707804), (11, 1723148), (14, 1353902), (19, 997612), (22, 861574), (28, 676951), (38, 498806), (41, 462308), (44, 430787), (76, 249403), (77, 246164), (79, 239932), (82, 231154), (133, 142516), (154, 123082), (158, 119966), (164, 115577), (209, 90692), (266, 71258), (287, 66044), (308, 61541), (316, 59983), (418, 45346), (451, 42028), (532, 35629), (553, 34276), (574, 33022), (779, 24332), (836, 22673), (869, 21812), (902, 21014), (1106, 17138), (1148, 16511), (1463, 12956), (1501, 12628), (1558, 12166), (1738, 10906), (1804, 10507), (2212, 8569), (2926, 6478), (3002, 6314), (3116, 6083), (3157, 6004), (3239, 5852), (3476, 5453)]