19817616

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{349}}^1$

素因数の和:393

約数の個数: 120

約数和(自身を含む): 63537600

約数和(自身を除く): 43719984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 169, 182, 208, 273, 312, 336, 338, 349, 364, 507, 546, 624, 676, 698, 728, 1014, 1047, 1092, 1183, 1352, 1396, 1456, 2028, 2094, 2184, 2366, 2443, 2704, 2792, 3549, 4056, 4188, 4368, 4537, 4732, 4886, 5584, 7098, 7329, 8112, 8376, 9074, 9464, 9772, 13611, 14196, 14658, 16752, 18148, 18928, 19544, 27222, 28392, 29316, 31759, 36296, 39088, 54444, 56784, 58632, 58981, 63518, 72592, 95277, 108888, 117264, 117962, 127036, 176943, 190554, 217776, 235924, 254072, 353886, 381108, 412867, 471848, 508144, 707772, 762216, 825734, 943696, 1238601, 1415544, 1524432, 1651468, 2477202, 2831088, 3302936, 4954404, 6605872, 9908808, 19817616]

約数ペア:

[(1, 19817616), (2, 9908808), (3, 6605872), (4, 4954404), (6, 3302936), (7, 2831088), (8, 2477202), (12, 1651468), (13, 1524432), (14, 1415544), (16, 1238601), (21, 943696), (24, 825734), (26, 762216), (28, 707772), (39, 508144), (42, 471848), (48, 412867), (52, 381108), (56, 353886), (78, 254072), (84, 235924), (91, 217776), (104, 190554), (112, 176943), (156, 127036), (168, 117962), (169, 117264), (182, 108888), (208, 95277), (273, 72592), (312, 63518), (336, 58981), (338, 58632), (349, 56784), (364, 54444), (507, 39088), (546, 36296), (624, 31759), (676, 29316), (698, 28392), (728, 27222), (1014, 19544), (1047, 18928), (1092, 18148), (1183, 16752), (1352, 14658), (1396, 14196), (1456, 13611), (2028, 9772), (2094, 9464), (2184, 9074), (2366, 8376), (2443, 8112), (2704, 7329), (2792, 7098), (3549, 5584), (4056, 4886), (4188, 4732), (4368, 4537)]