18835600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{31}}^2$

素因数の和:94

約数の個数: 135

約数和(自身を含む): 54393561

約数和(自身を除く): 35557961

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 80, 98, 100, 112, 124, 140, 155, 175, 196, 200, 217, 245, 248, 280, 310, 350, 392, 400, 434, 490, 496, 560, 620, 700, 775, 784, 868, 961, 980, 1085, 1225, 1240, 1400, 1519, 1550, 1736, 1922, 1960, 2170, 2450, 2480, 2800, 3038, 3100, 3472, 3844, 3920, 4340, 4805, 4900, 5425, 6076, 6200, 6727, 7595, 7688, 8680, 9610, 9800, 10850, 12152, 12400, 13454, 15190, 15376, 17360, 19220, 19600, 21700, 24025, 24304, 26908, 30380, 33635, 37975, 38440, 43400, 47089, 48050, 53816, 60760, 67270, 75950, 76880, 86800, 94178, 96100, 107632, 121520, 134540, 151900, 168175, 188356, 192200, 235445, 269080, 303800, 336350, 376712, 384400, 470890, 538160, 607600, 672700, 753424, 941780, 1177225, 1345400, 1883560, 2354450, 2690800, 3767120, 4708900, 9417800, 18835600]

約数ペア:

[(1, 18835600), (2, 9417800), (4, 4708900), (5, 3767120), (7, 2690800), (8, 2354450), (10, 1883560), (14, 1345400), (16, 1177225), (20, 941780), (25, 753424), (28, 672700), (31, 607600), (35, 538160), (40, 470890), (49, 384400), (50, 376712), (56, 336350), (62, 303800), (70, 269080), (80, 235445), (98, 192200), (100, 188356), (112, 168175), (124, 151900), (140, 134540), (155, 121520), (175, 107632), (196, 96100), (200, 94178), (217, 86800), (245, 76880), (248, 75950), (280, 67270), (310, 60760), (350, 53816), (392, 48050), (400, 47089), (434, 43400), (490, 38440), (496, 37975), (560, 33635), (620, 30380), (700, 26908), (775, 24304), (784, 24025), (868, 21700), (961, 19600), (980, 19220), (1085, 17360), (1225, 15376), (1240, 15190), (1400, 13454), (1519, 12400), (1550, 12152), (1736, 10850), (1922, 9800), (1960, 9610), (2170, 8680), (2450, 7688), (2480, 7595), (2800, 6727), (3038, 6200), (3100, 6076), (3472, 5425), (3844, 4900), (3920, 4805)]