19422560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6389}}^1$

素因数の和:6423

約数の個数: 48

約数和(自身を含む): 48308400

約数和(自身を除く): 28885840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6389, 12778, 25556, 31945, 51112, 63890, 102224, 121391, 127780, 204448, 242782, 255560, 485564, 511120, 606955, 971128, 1022240, 1213910, 1942256, 2427820, 3884512, 4855640, 9711280, 19422560]

約数ペア:

[(1, 19422560), (2, 9711280), (4, 4855640), (5, 3884512), (8, 2427820), (10, 1942256), (16, 1213910), (19, 1022240), (20, 971128), (32, 606955), (38, 511120), (40, 485564), (76, 255560), (80, 242782), (95, 204448), (152, 127780), (160, 121391), (190, 102224), (304, 63890), (380, 51112), (608, 31945), (760, 25556), (1520, 12778), (3040, 6389)]