19949696

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 45124800

約数和(自身を除く): 25175104

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 304, 416, 494, 608, 631, 832, 988, 1216, 1262, 1664, 1976, 2432, 2524, 3952, 5048, 7904, 8203, 10096, 11989, 15808, 16406, 20192, 23978, 31616, 32812, 40384, 47956, 65624, 80768, 95912, 131248, 155857, 191824, 262496, 311714, 383648, 524992, 623428, 767296, 1049984, 1246856, 1534592, 2493712, 4987424, 9974848, 19949696]

約数ペア:

[(1, 19949696), (2, 9974848), (4, 4987424), (8, 2493712), (13, 1534592), (16, 1246856), (19, 1049984), (26, 767296), (32, 623428), (38, 524992), (52, 383648), (64, 311714), (76, 262496), (104, 191824), (128, 155857), (152, 131248), (208, 95912), (247, 80768), (304, 65624), (416, 47956), (494, 40384), (608, 32812), (631, 31616), (832, 23978), (988, 20192), (1216, 16406), (1262, 15808), (1664, 11989), (1976, 10096), (2432, 8203), (2524, 7904), (3952, 5048)]