18254080

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1097}}^1$

素因数の和:1131

約数の個数: 72

約数和(自身を含む): 47130552

約数和(自身を除く): 28876472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1097, 1280, 1664, 2080, 2194, 3328, 4160, 4388, 5485, 8320, 8776, 10970, 14261, 16640, 17552, 21940, 28522, 35104, 43880, 57044, 70208, 71305, 87760, 114088, 140416, 142610, 175520, 228176, 280832, 285220, 351040, 456352, 570440, 702080, 912704, 1140880, 1404160, 1825408, 2281760, 3650816, 4563520, 9127040, 18254080]

約数ペア:

[(1, 18254080), (2, 9127040), (4, 4563520), (5, 3650816), (8, 2281760), (10, 1825408), (13, 1404160), (16, 1140880), (20, 912704), (26, 702080), (32, 570440), (40, 456352), (52, 351040), (64, 285220), (65, 280832), (80, 228176), (104, 175520), (128, 142610), (130, 140416), (160, 114088), (208, 87760), (256, 71305), (260, 70208), (320, 57044), (416, 43880), (520, 35104), (640, 28522), (832, 21940), (1040, 17552), (1097, 16640), (1280, 14261), (1664, 10970), (2080, 8776), (2194, 8320), (3328, 5485), (4160, 4388)]