18823380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 55413120

約数和(自身を除く): 36589740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 61, 74, 111, 122, 139, 148, 183, 185, 222, 244, 278, 305, 366, 370, 417, 444, 555, 556, 610, 695, 732, 740, 834, 915, 1110, 1220, 1390, 1668, 1830, 2085, 2220, 2257, 2780, 3660, 4170, 4514, 5143, 6771, 8340, 8479, 9028, 10286, 11285, 13542, 15429, 16958, 20572, 22570, 25437, 25715, 27084, 30858, 33855, 33916, 42395, 45140, 50874, 51430, 61716, 67710, 77145, 84790, 101748, 102860, 127185, 135420, 154290, 169580, 254370, 308580, 313723, 508740, 627446, 941169, 1254892, 1568615, 1882338, 3137230, 3764676, 4705845, 6274460, 9411690, 18823380]

約数ペア:

[(1, 18823380), (2, 9411690), (3, 6274460), (4, 4705845), (5, 3764676), (6, 3137230), (10, 1882338), (12, 1568615), (15, 1254892), (20, 941169), (30, 627446), (37, 508740), (60, 313723), (61, 308580), (74, 254370), (111, 169580), (122, 154290), (139, 135420), (148, 127185), (183, 102860), (185, 101748), (222, 84790), (244, 77145), (278, 67710), (305, 61716), (366, 51430), (370, 50874), (417, 45140), (444, 42395), (555, 33916), (556, 33855), (610, 30858), (695, 27084), (732, 25715), (740, 25437), (834, 22570), (915, 20572), (1110, 16958), (1220, 15429), (1390, 13542), (1668, 11285), (1830, 10286), (2085, 9028), (2220, 8479), (2257, 8340), (2780, 6771), (3660, 5143), (4170, 4514)]