20181991102

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{5399}}^1$

素因数の和:5510

約数の個数: 128

約数和(自身を含む): 41803776000

約数和(自身を除く): 21621784898

約数列:

[1, 2, 7, 13, 14, 19, 23, 26, 38, 46, 47, 91, 94, 133, 161, 182, 247, 266, 299, 322, 329, 437, 494, 598, 611, 658, 874, 893, 1081, 1222, 1729, 1786, 2093, 2162, 3059, 3458, 4186, 4277, 5399, 5681, 6118, 6251, 7567, 8554, 10798, 11362, 11609, 12502, 14053, 15134, 20539, 23218, 28106, 37793, 39767, 41078, 70187, 75586, 79534, 81263, 98371, 102581, 124177, 140374, 143773, 162526, 196742, 205162, 248354, 253753, 267007, 287546, 491309, 507506, 534014, 718067, 869239, 982618, 1333553, 1436134, 1614301, 1738478, 1776271, 1869049, 2359363, 2667106, 3228602, 3298789, 3552542, 3738098, 4718726, 4821307, 5836319, 6597578, 9334871, 9642614, 11300107, 11672638, 16515541, 18669742, 22600214, 23091523, 30671719, 33031082, 33749149, 40854233, 46183046, 61343438, 62676991, 67498298, 75872147, 81708466, 110890061, 125353982, 151744294, 214702033, 221780122, 429404066, 438738937, 531105029, 776230427, 877477874, 1062210058, 1441570793, 1552460854, 2883141586, 10090995551, 20181991102]

約数ペア:

[(1, 20181991102), (2, 10090995551), (7, 2883141586), (13, 1552460854), (14, 1441570793), (19, 1062210058), (23, 877477874), (26, 776230427), (38, 531105029), (46, 438738937), (47, 429404066), (91, 221780122), (94, 214702033), (133, 151744294), (161, 125353982), (182, 110890061), (247, 81708466), (266, 75872147), (299, 67498298), (322, 62676991), (329, 61343438), (437, 46183046), (494, 40854233), (598, 33749149), (611, 33031082), (658, 30671719), (874, 23091523), (893, 22600214), (1081, 18669742), (1222, 16515541), (1729, 11672638), (1786, 11300107), (2093, 9642614), (2162, 9334871), (3059, 6597578), (3458, 5836319), (4186, 4821307), (4277, 4718726), (5399, 3738098), (5681, 3552542), (6118, 3298789), (6251, 3228602), (7567, 2667106), (8554, 2359363), (10798, 1869049), (11362, 1776271), (11609, 1738478), (12502, 1614301), (14053, 1436134), (15134, 1333553), (20539, 982618), (23218, 869239), (28106, 718067), (37793, 534014), (39767, 507506), (41078, 491309), (70187, 287546), (75586, 267007), (79534, 253753), (81263, 248354), (98371, 205162), (102581, 196742), (124177, 162526), (140374, 143773)]