19489142

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 32071680

約数和(自身を除く): 12582538

約数列:

[1, 2, 23, 31, 46, 62, 79, 158, 173, 346, 713, 1426, 1817, 2449, 3634, 3979, 4898, 5363, 7958, 10726, 13667, 27334, 56327, 112654, 123349, 246698, 314341, 423677, 628682, 847354, 9744571, 19489142]

約数ペア:

[(1, 19489142), (2, 9744571), (23, 847354), (31, 628682), (46, 423677), (62, 314341), (79, 246698), (158, 123349), (173, 112654), (346, 56327), (713, 27334), (1426, 13667), (1817, 10726), (2449, 7958), (3634, 5363), (3979, 4898)]