19439968

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 40684896

約数和(自身を除く): 21244928

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 61, 92, 122, 184, 244, 368, 433, 488, 736, 866, 976, 1403, 1732, 1952, 2806, 3464, 5612, 6928, 9959, 11224, 13856, 19918, 22448, 26413, 39836, 44896, 52826, 79672, 105652, 159344, 211304, 318688, 422608, 607499, 845216, 1214998, 2429996, 4859992, 9719984, 19439968]

約数ペア:

[(1, 19439968), (2, 9719984), (4, 4859992), (8, 2429996), (16, 1214998), (23, 845216), (32, 607499), (46, 422608), (61, 318688), (92, 211304), (122, 159344), (184, 105652), (244, 79672), (368, 52826), (433, 44896), (488, 39836), (736, 26413), (866, 22448), (976, 19918), (1403, 13856), (1732, 11224), (1952, 9959), (2806, 6928), (3464, 5612)]