19945462

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 32845824

約数和(自身を除く): 12900362

約数列:

[1, 2, 23, 31, 46, 62, 71, 142, 197, 394, 713, 1426, 1633, 2201, 3266, 4402, 4531, 6107, 9062, 12214, 13987, 27974, 50623, 101246, 140461, 280922, 321701, 433597, 643402, 867194, 9972731, 19945462]

約数ペア:

[(1, 19945462), (2, 9972731), (23, 867194), (31, 643402), (46, 433597), (62, 321701), (71, 280922), (142, 140461), (197, 101246), (394, 50623), (713, 27974), (1426, 13987), (1633, 12214), (2201, 9062), (3266, 6107), (4402, 4531)]