18538680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 60134400

約数和(自身を除く): 41595720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 47, 57, 60, 76, 94, 95, 114, 120, 141, 152, 173, 188, 190, 228, 235, 282, 285, 346, 376, 380, 456, 470, 519, 564, 570, 692, 705, 760, 865, 893, 940, 1038, 1128, 1140, 1384, 1410, 1730, 1786, 1880, 2076, 2280, 2595, 2679, 2820, 3287, 3460, 3572, 4152, 4465, 5190, 5358, 5640, 6574, 6920, 7144, 8131, 8930, 9861, 10380, 10716, 13148, 13395, 16262, 16435, 17860, 19722, 20760, 21432, 24393, 26296, 26790, 32524, 32870, 35720, 39444, 40655, 48786, 49305, 53580, 65048, 65740, 78888, 81310, 97572, 98610, 107160, 121965, 131480, 154489, 162620, 195144, 197220, 243930, 308978, 325240, 394440, 463467, 487860, 617956, 772445, 926934, 975720, 1235912, 1544890, 1853868, 2317335, 3089780, 3707736, 4634670, 6179560, 9269340, 18538680]

約数ペア:

[(1, 18538680), (2, 9269340), (3, 6179560), (4, 4634670), (5, 3707736), (6, 3089780), (8, 2317335), (10, 1853868), (12, 1544890), (15, 1235912), (19, 975720), (20, 926934), (24, 772445), (30, 617956), (38, 487860), (40, 463467), (47, 394440), (57, 325240), (60, 308978), (76, 243930), (94, 197220), (95, 195144), (114, 162620), (120, 154489), (141, 131480), (152, 121965), (173, 107160), (188, 98610), (190, 97572), (228, 81310), (235, 78888), (282, 65740), (285, 65048), (346, 53580), (376, 49305), (380, 48786), (456, 40655), (470, 39444), (519, 35720), (564, 32870), (570, 32524), (692, 26790), (705, 26296), (760, 24393), (865, 21432), (893, 20760), (940, 19722), (1038, 17860), (1128, 16435), (1140, 16262), (1384, 13395), (1410, 13148), (1730, 10716), (1786, 10380), (1880, 9861), (2076, 8930), (2280, 8131), (2595, 7144), (2679, 6920), (2820, 6574), (3287, 5640), (3460, 5358), (3572, 5190), (4152, 4465)]