18917640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7507}}^1$

素因数の和:7531

約数の個数: 96

約数和(自身を含む): 70274880

約数和(自身を除く): 51357240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7507, 15014, 22521, 30028, 37535, 45042, 52549, 60056, 67563, 75070, 90084, 105098, 112605, 135126, 150140, 157647, 180168, 210196, 225210, 262745, 270252, 300280, 315294, 337815, 420392, 450420, 472941, 525490, 540504, 630588, 675630, 788235, 900840, 945882, 1050980, 1261176, 1351260, 1576470, 1891764, 2101960, 2364705, 2702520, 3152940, 3783528, 4729410, 6305880, 9458820, 18917640]

約数ペア:

[(1, 18917640), (2, 9458820), (3, 6305880), (4, 4729410), (5, 3783528), (6, 3152940), (7, 2702520), (8, 2364705), (9, 2101960), (10, 1891764), (12, 1576470), (14, 1351260), (15, 1261176), (18, 1050980), (20, 945882), (21, 900840), (24, 788235), (28, 675630), (30, 630588), (35, 540504), (36, 525490), (40, 472941), (42, 450420), (45, 420392), (56, 337815), (60, 315294), (63, 300280), (70, 270252), (72, 262745), (84, 225210), (90, 210196), (105, 180168), (120, 157647), (126, 150140), (140, 135126), (168, 112605), (180, 105098), (210, 90084), (252, 75070), (280, 67563), (315, 60056), (360, 52549), (420, 45042), (504, 37535), (630, 30028), (840, 22521), (1260, 15014), (2520, 7507)]