18986136

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 53406720

約数和(自身を除く): 34420584

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 151, 156, 169, 186, 248, 302, 312, 338, 372, 403, 453, 507, 604, 676, 744, 806, 906, 1014, 1208, 1209, 1352, 1612, 1812, 1963, 2028, 2418, 3224, 3624, 3926, 4056, 4681, 4836, 5239, 5889, 7852, 9362, 9672, 10478, 11778, 14043, 15704, 15717, 18724, 20956, 23556, 25519, 28086, 31434, 37448, 41912, 47112, 51038, 56172, 60853, 62868, 76557, 102076, 112344, 121706, 125736, 153114, 182559, 204152, 243412, 306228, 365118, 486824, 612456, 730236, 791089, 1460472, 1582178, 2373267, 3164356, 4746534, 6328712, 9493068, 18986136]

約数ペア:

[(1, 18986136), (2, 9493068), (3, 6328712), (4, 4746534), (6, 3164356), (8, 2373267), (12, 1582178), (13, 1460472), (24, 791089), (26, 730236), (31, 612456), (39, 486824), (52, 365118), (62, 306228), (78, 243412), (93, 204152), (104, 182559), (124, 153114), (151, 125736), (156, 121706), (169, 112344), (186, 102076), (248, 76557), (302, 62868), (312, 60853), (338, 56172), (372, 51038), (403, 47112), (453, 41912), (507, 37448), (604, 31434), (676, 28086), (744, 25519), (806, 23556), (906, 20956), (1014, 18724), (1208, 15717), (1209, 15704), (1352, 14043), (1612, 11778), (1812, 10478), (1963, 9672), (2028, 9362), (2418, 7852), (3224, 5889), (3624, 5239), (3926, 4836), (4056, 4681)]