19665152

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 44640960

約数和(自身を除く): 24975808

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 311, 416, 494, 608, 622, 832, 988, 1216, 1244, 1664, 1976, 2432, 2488, 3328, 3952, 4043, 4864, 4976, 5909, 7904, 8086, 9952, 11818, 15808, 16172, 19904, 23636, 31616, 32344, 39808, 47272, 63232, 64688, 76817, 79616, 94544, 129376, 153634, 189088, 258752, 307268, 378176, 517504, 614536, 756352, 1035008, 1229072, 1512704, 2458144, 4916288, 9832576, 19665152]

約数ペア:

[(1, 19665152), (2, 9832576), (4, 4916288), (8, 2458144), (13, 1512704), (16, 1229072), (19, 1035008), (26, 756352), (32, 614536), (38, 517504), (52, 378176), (64, 307268), (76, 258752), (104, 189088), (128, 153634), (152, 129376), (208, 94544), (247, 79616), (256, 76817), (304, 64688), (311, 63232), (416, 47272), (494, 39808), (608, 32344), (622, 31616), (832, 23636), (988, 19904), (1216, 16172), (1244, 15808), (1664, 11818), (1976, 9952), (2432, 8086), (2488, 7904), (3328, 5909), (3952, 4976), (4043, 4864)]