18725640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 60825600

約数和(自身を除く): 42099960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 43, 57, 60, 76, 86, 95, 114, 120, 129, 152, 172, 190, 191, 215, 228, 258, 285, 344, 380, 382, 430, 456, 516, 570, 573, 645, 760, 764, 817, 860, 955, 1032, 1140, 1146, 1290, 1528, 1634, 1720, 1910, 2280, 2292, 2451, 2580, 2865, 3268, 3629, 3820, 4085, 4584, 4902, 5160, 5730, 6536, 7258, 7640, 8170, 8213, 9804, 10887, 11460, 12255, 14516, 16340, 16426, 18145, 19608, 21774, 22920, 24510, 24639, 29032, 32680, 32852, 36290, 41065, 43548, 49020, 49278, 54435, 65704, 72580, 82130, 87096, 98040, 98556, 108870, 123195, 145160, 156047, 164260, 197112, 217740, 246390, 312094, 328520, 435480, 468141, 492780, 624188, 780235, 936282, 985560, 1248376, 1560470, 1872564, 2340705, 3120940, 3745128, 4681410, 6241880, 9362820, 18725640]

約数ペア:

[(1, 18725640), (2, 9362820), (3, 6241880), (4, 4681410), (5, 3745128), (6, 3120940), (8, 2340705), (10, 1872564), (12, 1560470), (15, 1248376), (19, 985560), (20, 936282), (24, 780235), (30, 624188), (38, 492780), (40, 468141), (43, 435480), (57, 328520), (60, 312094), (76, 246390), (86, 217740), (95, 197112), (114, 164260), (120, 156047), (129, 145160), (152, 123195), (172, 108870), (190, 98556), (191, 98040), (215, 87096), (228, 82130), (258, 72580), (285, 65704), (344, 54435), (380, 49278), (382, 49020), (430, 43548), (456, 41065), (516, 36290), (570, 32852), (573, 32680), (645, 29032), (760, 24639), (764, 24510), (817, 22920), (860, 21774), (955, 19608), (1032, 18145), (1140, 16426), (1146, 16340), (1290, 14516), (1528, 12255), (1634, 11460), (1720, 10887), (1910, 9804), (2280, 8213), (2292, 8170), (2451, 7640), (2580, 7258), (2865, 6536), (3268, 5730), (3629, 5160), (3820, 4902), (4085, 4584)]