18498400

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1256

約数の個数: 72

約数和(自身を含む): 47575080

約数和(自身を除く): 29076680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1217, 1520, 1900, 2434, 3040, 3800, 4868, 6085, 7600, 9736, 12170, 15200, 19472, 23123, 24340, 30425, 38944, 46246, 48680, 60850, 92492, 97360, 115615, 121700, 184984, 194720, 231230, 243400, 369968, 462460, 486800, 578075, 739936, 924920, 973600, 1156150, 1849840, 2312300, 3699680, 4624600, 9249200, 18498400]

約数ペア:

[(1, 18498400), (2, 9249200), (4, 4624600), (5, 3699680), (8, 2312300), (10, 1849840), (16, 1156150), (19, 973600), (20, 924920), (25, 739936), (32, 578075), (38, 486800), (40, 462460), (50, 369968), (76, 243400), (80, 231230), (95, 194720), (100, 184984), (152, 121700), (160, 115615), (190, 97360), (200, 92492), (304, 60850), (380, 48680), (400, 46246), (475, 38944), (608, 30425), (760, 24340), (800, 23123), (950, 19472), (1217, 15200), (1520, 12170), (1900, 9736), (2434, 7600), (3040, 6085), (3800, 4868)]