18544000

素因数分解:

$2^7\times 5^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 128

約数和(自身を含む): 49327200

約数和(自身を除く): 30783200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 61, 64, 76, 80, 95, 100, 122, 125, 128, 152, 160, 190, 200, 244, 250, 304, 305, 320, 380, 400, 475, 488, 500, 608, 610, 640, 760, 800, 950, 976, 1000, 1159, 1216, 1220, 1520, 1525, 1600, 1900, 1952, 2000, 2318, 2375, 2432, 2440, 3040, 3050, 3200, 3800, 3904, 4000, 4636, 4750, 4880, 5795, 6080, 6100, 7600, 7625, 7808, 8000, 9272, 9500, 9760, 11590, 12160, 12200, 15200, 15250, 16000, 18544, 19000, 19520, 23180, 24400, 28975, 30400, 30500, 37088, 38000, 39040, 46360, 48800, 57950, 60800, 61000, 74176, 76000, 92720, 97600, 115900, 122000, 144875, 148352, 152000, 185440, 195200, 231800, 244000, 289750, 304000, 370880, 463600, 488000, 579500, 741760, 927200, 976000, 1159000, 1854400, 2318000, 3708800, 4636000, 9272000, 18544000]

約数ペア:

[(1, 18544000), (2, 9272000), (4, 4636000), (5, 3708800), (8, 2318000), (10, 1854400), (16, 1159000), (19, 976000), (20, 927200), (25, 741760), (32, 579500), (38, 488000), (40, 463600), (50, 370880), (61, 304000), (64, 289750), (76, 244000), (80, 231800), (95, 195200), (100, 185440), (122, 152000), (125, 148352), (128, 144875), (152, 122000), (160, 115900), (190, 97600), (200, 92720), (244, 76000), (250, 74176), (304, 61000), (305, 60800), (320, 57950), (380, 48800), (400, 46360), (475, 39040), (488, 38000), (500, 37088), (608, 30500), (610, 30400), (640, 28975), (760, 24400), (800, 23180), (950, 19520), (976, 19000), (1000, 18544), (1159, 16000), (1216, 15250), (1220, 15200), (1520, 12200), (1525, 12160), (1600, 11590), (1900, 9760), (1952, 9500), (2000, 9272), (2318, 8000), (2375, 7808), (2432, 7625), (2440, 7600), (3040, 6100), (3050, 6080), (3200, 5795), (3800, 4880), (3904, 4750), (4000, 4636)]