19973674

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 38905920

約数和(自身を除く): 18932246

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 49, 98, 119, 133, 238, 266, 323, 631, 646, 833, 931, 1262, 1666, 1862, 2261, 4417, 4522, 8834, 10727, 11989, 15827, 21454, 23978, 30919, 31654, 61838, 75089, 83923, 150178, 167846, 203813, 407626, 525623, 587461, 1051246, 1174922, 1426691, 2853382, 9986837, 19973674]

約数ペア:

[(1, 19973674), (2, 9986837), (7, 2853382), (14, 1426691), (17, 1174922), (19, 1051246), (34, 587461), (38, 525623), (49, 407626), (98, 203813), (119, 167846), (133, 150178), (238, 83923), (266, 75089), (323, 61838), (631, 31654), (646, 30919), (833, 23978), (931, 21454), (1262, 15827), (1666, 11989), (1862, 10727), (2261, 8834), (4417, 4522)]