19438016

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:469

約数の個数: 56

約数和(自身を含む): 42330624

約数和(自身を除く): 22892608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 208, 244, 383, 416, 488, 766, 793, 832, 976, 1532, 1586, 1952, 3064, 3172, 3904, 4979, 6128, 6344, 9958, 12256, 12688, 19916, 23363, 24512, 25376, 39832, 46726, 50752, 79664, 93452, 159328, 186904, 303719, 318656, 373808, 607438, 747616, 1214876, 1495232, 2429752, 4859504, 9719008, 19438016]

約数ペア:

[(1, 19438016), (2, 9719008), (4, 4859504), (8, 2429752), (13, 1495232), (16, 1214876), (26, 747616), (32, 607438), (52, 373808), (61, 318656), (64, 303719), (104, 186904), (122, 159328), (208, 93452), (244, 79664), (383, 50752), (416, 46726), (488, 39832), (766, 25376), (793, 24512), (832, 23363), (976, 19916), (1532, 12688), (1586, 12256), (1952, 9958), (3064, 6344), (3172, 6128), (3904, 4979)]