19179972

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 108

約数和(自身を含む): 57513456

約数和(自身を除く): 38333484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 83, 84, 98, 126, 131, 147, 166, 196, 249, 252, 262, 294, 332, 393, 441, 498, 524, 581, 588, 747, 786, 882, 917, 996, 1162, 1179, 1494, 1572, 1743, 1764, 1834, 2324, 2358, 2751, 2988, 3486, 3668, 4067, 4716, 5229, 5502, 6419, 6972, 8134, 8253, 10458, 10873, 11004, 12201, 12838, 16268, 16506, 19257, 20916, 21746, 24402, 25676, 32619, 33012, 36603, 38514, 43492, 48804, 57771, 65238, 73206, 76111, 77028, 97857, 115542, 130476, 146412, 152222, 195714, 228333, 231084, 304444, 391428, 456666, 532777, 684999, 913332, 1065554, 1369998, 1598331, 2131108, 2739996, 3196662, 4794993, 6393324, 9589986, 19179972]

約数ペア:

[(1, 19179972), (2, 9589986), (3, 6393324), (4, 4794993), (6, 3196662), (7, 2739996), (9, 2131108), (12, 1598331), (14, 1369998), (18, 1065554), (21, 913332), (28, 684999), (36, 532777), (42, 456666), (49, 391428), (63, 304444), (83, 231084), (84, 228333), (98, 195714), (126, 152222), (131, 146412), (147, 130476), (166, 115542), (196, 97857), (249, 77028), (252, 76111), (262, 73206), (294, 65238), (332, 57771), (393, 48804), (441, 43492), (498, 38514), (524, 36603), (581, 33012), (588, 32619), (747, 25676), (786, 24402), (882, 21746), (917, 20916), (996, 19257), (1162, 16506), (1179, 16268), (1494, 12838), (1572, 12201), (1743, 11004), (1764, 10873), (1834, 10458), (2324, 8253), (2358, 8134), (2751, 6972), (2988, 6419), (3486, 5502), (3668, 5229), (4067, 4716)]