201913912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 417715200

約数和(自身を除く): 215801288

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 73, 76, 124, 146, 152, 248, 292, 584, 587, 589, 1174, 1178, 1387, 2263, 2348, 2356, 2774, 4526, 4696, 4712, 5548, 9052, 11096, 11153, 18104, 18197, 22306, 36394, 42851, 42997, 44612, 72788, 85702, 85994, 89224, 145576, 171404, 171988, 342808, 343976, 345743, 691486, 814169, 1328381, 1382972, 1628338, 2656762, 2765944, 3256676, 5313524, 6513352, 10627048, 25239239, 50478478, 100956956, 201913912]

約数ペア:

[(1, 201913912), (2, 100956956), (4, 50478478), (8, 25239239), (19, 10627048), (31, 6513352), (38, 5313524), (62, 3256676), (73, 2765944), (76, 2656762), (124, 1628338), (146, 1382972), (152, 1328381), (248, 814169), (292, 691486), (584, 345743), (587, 343976), (589, 342808), (1174, 171988), (1178, 171404), (1387, 145576), (2263, 89224), (2348, 85994), (2356, 85702), (2774, 72788), (4526, 44612), (4696, 42997), (4712, 42851), (5548, 36394), (9052, 22306), (11096, 18197), (11153, 18104)]