19296380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 41803776

約数和(自身を除く): 22507396

約数列:

[1, 2, 4, 5, 10, 20, 71, 107, 127, 142, 214, 254, 284, 355, 428, 508, 535, 635, 710, 1070, 1270, 1420, 2140, 2540, 7597, 9017, 13589, 15194, 18034, 27178, 30388, 36068, 37985, 45085, 54356, 67945, 75970, 90170, 135890, 151940, 180340, 271780, 964819, 1929638, 3859276, 4824095, 9648190, 19296380]

約数ペア:

[(1, 19296380), (2, 9648190), (4, 4824095), (5, 3859276), (10, 1929638), (20, 964819), (71, 271780), (107, 180340), (127, 151940), (142, 135890), (214, 90170), (254, 75970), (284, 67945), (355, 54356), (428, 45085), (508, 37985), (535, 36068), (635, 30388), (710, 27178), (1070, 18034), (1270, 15194), (1420, 13589), (2140, 9017), (2540, 7597)]