18206300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 46663680

約数和(自身を除く): 28457380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 839, 868, 1085, 1550, 1678, 2170, 3100, 3356, 4195, 4340, 5425, 5873, 8390, 10850, 11746, 16780, 20975, 21700, 23492, 26009, 29365, 41950, 52018, 58730, 83900, 104036, 117460, 130045, 146825, 182063, 260090, 293650, 364126, 520180, 587300, 650225, 728252, 910315, 1300450, 1820630, 2600900, 3641260, 4551575, 9103150, 18206300]

約数ペア:

[(1, 18206300), (2, 9103150), (4, 4551575), (5, 3641260), (7, 2600900), (10, 1820630), (14, 1300450), (20, 910315), (25, 728252), (28, 650225), (31, 587300), (35, 520180), (50, 364126), (62, 293650), (70, 260090), (100, 182063), (124, 146825), (140, 130045), (155, 117460), (175, 104036), (217, 83900), (310, 58730), (350, 52018), (434, 41950), (620, 29365), (700, 26009), (775, 23492), (839, 21700), (868, 20975), (1085, 16780), (1550, 11746), (1678, 10850), (2170, 8390), (3100, 5873), (3356, 5425), (4195, 4340)]