12947778

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 72

約数和(自身を含む): 31608720

約数和(自身を除く): 18660942

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 102, 114, 131, 153, 171, 262, 289, 306, 323, 342, 393, 578, 646, 786, 867, 969, 1179, 1734, 1938, 2227, 2358, 2489, 2601, 2907, 4454, 4978, 5202, 5491, 5814, 6681, 7467, 10982, 13362, 14934, 16473, 20043, 22401, 32946, 37859, 40086, 42313, 44802, 49419, 75718, 84626, 98838, 113577, 126939, 227154, 253878, 340731, 380817, 681462, 719321, 761634, 1438642, 2157963, 4315926, 6473889, 12947778]

約数ペア:

[(1, 12947778), (2, 6473889), (3, 4315926), (6, 2157963), (9, 1438642), (17, 761634), (18, 719321), (19, 681462), (34, 380817), (38, 340731), (51, 253878), (57, 227154), (102, 126939), (114, 113577), (131, 98838), (153, 84626), (171, 75718), (262, 49419), (289, 44802), (306, 42313), (323, 40086), (342, 37859), (393, 32946), (578, 22401), (646, 20043), (786, 16473), (867, 14934), (969, 13362), (1179, 10982), (1734, 7467), (1938, 6681), (2227, 5814), (2358, 5491), (2489, 5202), (2601, 4978), (2907, 4454)]