18755568

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 58090032

約数和(自身を除く): 39334464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 43, 48, 52, 72, 78, 86, 104, 117, 129, 144, 156, 172, 208, 233, 234, 258, 312, 344, 387, 466, 468, 516, 559, 624, 688, 699, 774, 932, 936, 1032, 1118, 1398, 1548, 1677, 1864, 1872, 2064, 2097, 2236, 2796, 3029, 3096, 3354, 3728, 4194, 4472, 5031, 5592, 6058, 6192, 6708, 8388, 8944, 9087, 10019, 10062, 11184, 12116, 13416, 16776, 18174, 20038, 20124, 24232, 26832, 27261, 30057, 33552, 36348, 40076, 40248, 48464, 54522, 60114, 72696, 80152, 80496, 90171, 109044, 120228, 130247, 145392, 160304, 180342, 218088, 240456, 260494, 360684, 390741, 436176, 480912, 520988, 721368, 781482, 1041976, 1172223, 1442736, 1562964, 2083952, 2344446, 3125928, 4688892, 6251856, 9377784, 18755568]

約数ペア:

[(1, 18755568), (2, 9377784), (3, 6251856), (4, 4688892), (6, 3125928), (8, 2344446), (9, 2083952), (12, 1562964), (13, 1442736), (16, 1172223), (18, 1041976), (24, 781482), (26, 721368), (36, 520988), (39, 480912), (43, 436176), (48, 390741), (52, 360684), (72, 260494), (78, 240456), (86, 218088), (104, 180342), (117, 160304), (129, 145392), (144, 130247), (156, 120228), (172, 109044), (208, 90171), (233, 80496), (234, 80152), (258, 72696), (312, 60114), (344, 54522), (387, 48464), (466, 40248), (468, 40076), (516, 36348), (559, 33552), (624, 30057), (688, 27261), (699, 26832), (774, 24232), (932, 20124), (936, 20038), (1032, 18174), (1118, 16776), (1398, 13416), (1548, 12116), (1677, 11184), (1864, 10062), (1872, 10019), (2064, 9087), (2097, 8944), (2236, 8388), (2796, 6708), (3029, 6192), (3096, 6058), (3354, 5592), (3728, 5031), (4194, 4472)]