19844968

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 46922400

約数和(自身を除く): 27077432

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 83, 88, 104, 121, 143, 152, 166, 209, 242, 247, 286, 332, 418, 484, 494, 572, 664, 836, 913, 968, 988, 1079, 1144, 1573, 1577, 1672, 1826, 1976, 2158, 2299, 2717, 3146, 3154, 3652, 4316, 4598, 5434, 6292, 6308, 7304, 8632, 9196, 10043, 10868, 11869, 12584, 12616, 17347, 18392, 20086, 20501, 21736, 23738, 29887, 34694, 40172, 41002, 47476, 59774, 69388, 80344, 82004, 94952, 119548, 130559, 138776, 164008, 190817, 225511, 239096, 261118, 381634, 451022, 522236, 763268, 902044, 1044472, 1526536, 1804088, 2480621, 4961242, 9922484, 19844968]

約数ペア:

[(1, 19844968), (2, 9922484), (4, 4961242), (8, 2480621), (11, 1804088), (13, 1526536), (19, 1044472), (22, 902044), (26, 763268), (38, 522236), (44, 451022), (52, 381634), (76, 261118), (83, 239096), (88, 225511), (104, 190817), (121, 164008), (143, 138776), (152, 130559), (166, 119548), (209, 94952), (242, 82004), (247, 80344), (286, 69388), (332, 59774), (418, 47476), (484, 41002), (494, 40172), (572, 34694), (664, 29887), (836, 23738), (913, 21736), (968, 20501), (988, 20086), (1079, 18392), (1144, 17347), (1573, 12616), (1577, 12584), (1672, 11869), (1826, 10868), (1976, 10043), (2158, 9196), (2299, 8632), (2717, 7304), (3146, 6308), (3154, 6292), (3652, 5434), (4316, 4598)]