18686850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 58621248

約数和(自身を除く): 39934398

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 37, 39, 42, 50, 65, 70, 74, 75, 78, 91, 105, 111, 130, 150, 175, 182, 185, 195, 210, 222, 259, 273, 325, 350, 370, 390, 455, 481, 518, 525, 546, 555, 650, 777, 910, 925, 962, 975, 1050, 1110, 1295, 1365, 1369, 1443, 1554, 1850, 1950, 2275, 2405, 2590, 2730, 2738, 2775, 2886, 3367, 3885, 4107, 4550, 4810, 5550, 6475, 6734, 6825, 6845, 7215, 7770, 8214, 9583, 10101, 12025, 12950, 13650, 13690, 14430, 16835, 17797, 19166, 19425, 20202, 20535, 24050, 28749, 33670, 34225, 35594, 36075, 38850, 41070, 47915, 50505, 53391, 57498, 68450, 72150, 84175, 88985, 95830, 101010, 102675, 106782, 124579, 143745, 168350, 177970, 205350, 239575, 249158, 252525, 266955, 287490, 373737, 444925, 479150, 505050, 533910, 622895, 718725, 747474, 889850, 1245790, 1334775, 1437450, 1868685, 2669550, 3114475, 3737370, 6228950, 9343425, 18686850]

約数ペア:

[(1, 18686850), (2, 9343425), (3, 6228950), (5, 3737370), (6, 3114475), (7, 2669550), (10, 1868685), (13, 1437450), (14, 1334775), (15, 1245790), (21, 889850), (25, 747474), (26, 718725), (30, 622895), (35, 533910), (37, 505050), (39, 479150), (42, 444925), (50, 373737), (65, 287490), (70, 266955), (74, 252525), (75, 249158), (78, 239575), (91, 205350), (105, 177970), (111, 168350), (130, 143745), (150, 124579), (175, 106782), (182, 102675), (185, 101010), (195, 95830), (210, 88985), (222, 84175), (259, 72150), (273, 68450), (325, 57498), (350, 53391), (370, 50505), (390, 47915), (455, 41070), (481, 38850), (518, 36075), (525, 35594), (546, 34225), (555, 33670), (650, 28749), (777, 24050), (910, 20535), (925, 20202), (962, 19425), (975, 19166), (1050, 17797), (1110, 16835), (1295, 14430), (1365, 13690), (1369, 13650), (1443, 12950), (1554, 12025), (1850, 10101), (1950, 9583), (2275, 8214), (2405, 7770), (2590, 7215), (2730, 6845), (2738, 6825), (2775, 6734), (2886, 6475), (3367, 5550), (3885, 4810), (4107, 4550)]