18641600

素因数分解:

$2^6\times 5^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:274

約数の個数: 84

約数和(自身を含む): 46866048

約数和(自身を除く): 28224448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 160, 191, 200, 244, 305, 320, 382, 400, 488, 610, 764, 800, 955, 976, 1220, 1525, 1528, 1600, 1910, 1952, 2440, 3050, 3056, 3820, 3904, 4775, 4880, 6100, 6112, 7640, 9550, 9760, 11651, 12200, 12224, 15280, 19100, 19520, 23302, 24400, 30560, 38200, 46604, 48800, 58255, 61120, 76400, 93208, 97600, 116510, 152800, 186416, 233020, 291275, 305600, 372832, 466040, 582550, 745664, 932080, 1165100, 1864160, 2330200, 3728320, 4660400, 9320800, 18641600]

約数ペア:

[(1, 18641600), (2, 9320800), (4, 4660400), (5, 3728320), (8, 2330200), (10, 1864160), (16, 1165100), (20, 932080), (25, 745664), (32, 582550), (40, 466040), (50, 372832), (61, 305600), (64, 291275), (80, 233020), (100, 186416), (122, 152800), (160, 116510), (191, 97600), (200, 93208), (244, 76400), (305, 61120), (320, 58255), (382, 48800), (400, 46604), (488, 38200), (610, 30560), (764, 24400), (800, 23302), (955, 19520), (976, 19100), (1220, 15280), (1525, 12224), (1528, 12200), (1600, 11651), (1910, 9760), (1952, 9550), (2440, 7640), (3050, 6112), (3056, 6100), (3820, 4880), (3904, 4775)]