18744210

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:409

約数の個数: 80

約数和(自身を含む): 51252696

約数和(自身を除く): 32508486

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 81, 90, 135, 146, 162, 219, 270, 317, 365, 405, 438, 634, 657, 730, 810, 951, 1095, 1314, 1585, 1902, 1971, 2190, 2853, 3170, 3285, 3942, 4755, 5706, 5913, 6570, 8559, 9510, 9855, 11826, 14265, 17118, 19710, 23141, 25677, 28530, 29565, 42795, 46282, 51354, 59130, 69423, 85590, 115705, 128385, 138846, 208269, 231410, 256770, 347115, 416538, 624807, 694230, 1041345, 1249614, 1874421, 2082690, 3124035, 3748842, 6248070, 9372105, 18744210]

約数ペア:

[(1, 18744210), (2, 9372105), (3, 6248070), (5, 3748842), (6, 3124035), (9, 2082690), (10, 1874421), (15, 1249614), (18, 1041345), (27, 694230), (30, 624807), (45, 416538), (54, 347115), (73, 256770), (81, 231410), (90, 208269), (135, 138846), (146, 128385), (162, 115705), (219, 85590), (270, 69423), (317, 59130), (365, 51354), (405, 46282), (438, 42795), (634, 29565), (657, 28530), (730, 25677), (810, 23141), (951, 19710), (1095, 17118), (1314, 14265), (1585, 11826), (1902, 9855), (1971, 9510), (2190, 8559), (2853, 6570), (3170, 5913), (3285, 5706), (3942, 4755)]