20181427149

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:491

約数の個数: 128

約数和(自身を含む): 32555335680

約数和(自身を除く): 12373908531

約数列:

[1, 3, 13, 29, 31, 37, 39, 47, 87, 93, 111, 141, 331, 377, 403, 481, 611, 899, 993, 1073, 1131, 1147, 1209, 1363, 1443, 1457, 1739, 1833, 2697, 3219, 3441, 4089, 4303, 4371, 5217, 9599, 10261, 11687, 12247, 12909, 13949, 14911, 15557, 17719, 18941, 22607, 28797, 30783, 33263, 35061, 36741, 41847, 42253, 44733, 46671, 50431, 53157, 53909, 56823, 67821, 99789, 124787, 126759, 133393, 151293, 159211, 161727, 202241, 297569, 355163, 374361, 379657, 400179, 432419, 451153, 477633, 482267, 549289, 575609, 606723, 655603, 700817, 892707, 1065489, 1138971, 1297257, 1353459, 1446801, 1563361, 1647867, 1726827, 1966809, 2102451, 3868397, 4617119, 4690083, 4935541, 5864989, 6269471, 7482917, 11010053, 11605191, 13851357, 13985743, 14806623, 16692661, 17594967, 17843879, 18808413, 20323693, 22448751, 33030159, 41957229, 50077983, 53531637, 60971079, 143130689, 181814659, 217004593, 231970427, 429392067, 517472491, 545443977, 651013779, 695911281, 1552417473, 6727142383, 20181427149]

約数ペア:

[(1, 20181427149), (3, 6727142383), (13, 1552417473), (29, 695911281), (31, 651013779), (37, 545443977), (39, 517472491), (47, 429392067), (87, 231970427), (93, 217004593), (111, 181814659), (141, 143130689), (331, 60971079), (377, 53531637), (403, 50077983), (481, 41957229), (611, 33030159), (899, 22448751), (993, 20323693), (1073, 18808413), (1131, 17843879), (1147, 17594967), (1209, 16692661), (1363, 14806623), (1443, 13985743), (1457, 13851357), (1739, 11605191), (1833, 11010053), (2697, 7482917), (3219, 6269471), (3441, 5864989), (4089, 4935541), (4303, 4690083), (4371, 4617119), (5217, 3868397), (9599, 2102451), (10261, 1966809), (11687, 1726827), (12247, 1647867), (12909, 1563361), (13949, 1446801), (14911, 1353459), (15557, 1297257), (17719, 1138971), (18941, 1065489), (22607, 892707), (28797, 700817), (30783, 655603), (33263, 606723), (35061, 575609), (36741, 549289), (41847, 482267), (42253, 477633), (44733, 451153), (46671, 432419), (50431, 400179), (53157, 379657), (53909, 374361), (56823, 355163), (67821, 297569), (99789, 202241), (124787, 161727), (126759, 159211), (133393, 151293)]