19543360

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:563

約数の個数: 56

約数和(自身を含む): 46954440

約数和(自身を除く): 27411080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 389, 628, 778, 785, 1256, 1556, 1570, 1945, 2512, 3112, 3140, 3890, 5024, 6224, 6280, 7780, 10048, 12448, 12560, 15560, 24896, 25120, 31120, 50240, 61073, 62240, 122146, 124480, 244292, 305365, 488584, 610730, 977168, 1221460, 1954336, 2442920, 3908672, 4885840, 9771680, 19543360]

約数ペア:

[(1, 19543360), (2, 9771680), (4, 4885840), (5, 3908672), (8, 2442920), (10, 1954336), (16, 1221460), (20, 977168), (32, 610730), (40, 488584), (64, 305365), (80, 244292), (157, 124480), (160, 122146), (314, 62240), (320, 61073), (389, 50240), (628, 31120), (778, 25120), (785, 24896), (1256, 15560), (1556, 12560), (1570, 12448), (1945, 10048), (2512, 7780), (3112, 6280), (3140, 6224), (3890, 5024)]