19738368

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:694

約数の個数: 108

約数和(自身を含む): 61381320

約数和(自身を除く): 41642952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 256, 288, 312, 384, 416, 468, 576, 624, 659, 768, 832, 936, 1152, 1248, 1318, 1664, 1872, 1977, 2304, 2496, 2636, 3328, 3744, 3954, 4992, 5272, 5931, 7488, 7908, 8567, 9984, 10544, 11862, 14976, 15816, 17134, 21088, 23724, 25701, 29952, 31632, 34268, 42176, 47448, 51402, 63264, 68536, 77103, 84352, 94896, 102804, 126528, 137072, 154206, 168704, 189792, 205608, 253056, 274144, 308412, 379584, 411216, 506112, 548288, 616824, 759168, 822432, 1096576, 1233648, 1518336, 1644864, 2193152, 2467296, 3289728, 4934592, 6579456, 9869184, 19738368]

約数ペア:

[(1, 19738368), (2, 9869184), (3, 6579456), (4, 4934592), (6, 3289728), (8, 2467296), (9, 2193152), (12, 1644864), (13, 1518336), (16, 1233648), (18, 1096576), (24, 822432), (26, 759168), (32, 616824), (36, 548288), (39, 506112), (48, 411216), (52, 379584), (64, 308412), (72, 274144), (78, 253056), (96, 205608), (104, 189792), (117, 168704), (128, 154206), (144, 137072), (156, 126528), (192, 102804), (208, 94896), (234, 84352), (256, 77103), (288, 68536), (312, 63264), (384, 51402), (416, 47448), (468, 42176), (576, 34268), (624, 31632), (659, 29952), (768, 25701), (832, 23724), (936, 21088), (1152, 17134), (1248, 15816), (1318, 14976), (1664, 11862), (1872, 10544), (1977, 9984), (2304, 8567), (2496, 7908), (2636, 7488), (3328, 5931), (3744, 5272), (3954, 4992)]