19135928

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 43192320

約数和(自身を除く): 24056392

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 73, 124, 146, 151, 217, 248, 292, 302, 434, 511, 584, 604, 868, 1022, 1057, 1208, 1736, 2044, 2114, 2263, 4088, 4228, 4526, 4681, 8456, 9052, 9362, 11023, 15841, 18104, 18724, 22046, 31682, 32767, 37448, 44092, 63364, 65534, 77161, 88184, 126728, 131068, 154322, 262136, 308644, 341713, 617288, 683426, 1366852, 2391991, 2733704, 4783982, 9567964, 19135928]

約数ペア:

[(1, 19135928), (2, 9567964), (4, 4783982), (7, 2733704), (8, 2391991), (14, 1366852), (28, 683426), (31, 617288), (56, 341713), (62, 308644), (73, 262136), (124, 154322), (146, 131068), (151, 126728), (217, 88184), (248, 77161), (292, 65534), (302, 63364), (434, 44092), (511, 37448), (584, 32767), (604, 31682), (868, 22046), (1022, 18724), (1057, 18104), (1208, 15841), (1736, 11023), (2044, 9362), (2114, 9052), (2263, 8456), (4088, 4681), (4228, 4526)]