19228400

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:978

約数の個数: 60

約数和(自身を含む): 47119752

約数和(自身を除く): 27891352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 907, 1060, 1325, 1814, 2120, 2650, 3628, 4240, 4535, 5300, 7256, 9070, 10600, 14512, 18140, 21200, 22675, 36280, 45350, 48071, 72560, 90700, 96142, 181400, 192284, 240355, 362800, 384568, 480710, 769136, 961420, 1201775, 1922840, 2403550, 3845680, 4807100, 9614200, 19228400]

約数ペア:

[(1, 19228400), (2, 9614200), (4, 4807100), (5, 3845680), (8, 2403550), (10, 1922840), (16, 1201775), (20, 961420), (25, 769136), (40, 480710), (50, 384568), (53, 362800), (80, 240355), (100, 192284), (106, 181400), (200, 96142), (212, 90700), (265, 72560), (400, 48071), (424, 45350), (530, 36280), (848, 22675), (907, 21200), (1060, 18140), (1325, 14512), (1814, 10600), (2120, 9070), (2650, 7256), (3628, 5300), (4240, 4535)]