18515250

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 55560960

約数和(自身を除く): 37045710

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 90, 117, 125, 130, 135, 150, 195, 211, 225, 234, 250, 270, 325, 351, 375, 390, 422, 450, 585, 633, 650, 675, 702, 750, 975, 1055, 1125, 1170, 1266, 1350, 1625, 1755, 1899, 1950, 2110, 2250, 2743, 2925, 3165, 3250, 3375, 3510, 3798, 4875, 5275, 5486, 5697, 5850, 6330, 6750, 8229, 8775, 9495, 9750, 10550, 11394, 13715, 14625, 15825, 16458, 17550, 18990, 24687, 26375, 27430, 28485, 29250, 31650, 41145, 43875, 47475, 49374, 52750, 56970, 68575, 74061, 79125, 82290, 87750, 94950, 123435, 137150, 142425, 148122, 158250, 205725, 237375, 246870, 284850, 342875, 370305, 411450, 474750, 617175, 685750, 712125, 740610, 1028625, 1234350, 1424250, 1851525, 2057250, 3085875, 3703050, 6171750, 9257625, 18515250]

約数ペア:

[(1, 18515250), (2, 9257625), (3, 6171750), (5, 3703050), (6, 3085875), (9, 2057250), (10, 1851525), (13, 1424250), (15, 1234350), (18, 1028625), (25, 740610), (26, 712125), (27, 685750), (30, 617175), (39, 474750), (45, 411450), (50, 370305), (54, 342875), (65, 284850), (75, 246870), (78, 237375), (90, 205725), (117, 158250), (125, 148122), (130, 142425), (135, 137150), (150, 123435), (195, 94950), (211, 87750), (225, 82290), (234, 79125), (250, 74061), (270, 68575), (325, 56970), (351, 52750), (375, 49374), (390, 47475), (422, 43875), (450, 41145), (585, 31650), (633, 29250), (650, 28485), (675, 27430), (702, 26375), (750, 24687), (975, 18990), (1055, 17550), (1125, 16458), (1170, 15825), (1266, 14625), (1350, 13715), (1625, 11394), (1755, 10550), (1899, 9750), (1950, 9495), (2110, 8775), (2250, 8229), (2743, 6750), (2925, 6330), (3165, 5850), (3250, 5697), (3375, 5486), (3510, 5275), (3798, 4875)]