18764964

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 50162112

約数和(自身を除く): 31397148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 131, 138, 173, 207, 262, 276, 346, 393, 414, 519, 524, 692, 786, 828, 1038, 1179, 1557, 1572, 2076, 2358, 3013, 3114, 3979, 4716, 6026, 6228, 7958, 9039, 11937, 12052, 15916, 18078, 22663, 23874, 27117, 35811, 36156, 45326, 47748, 54234, 67989, 71622, 90652, 108468, 135978, 143244, 203967, 271956, 407934, 521249, 815868, 1042498, 1563747, 2084996, 3127494, 4691241, 6254988, 9382482, 18764964]

約数ペア:

[(1, 18764964), (2, 9382482), (3, 6254988), (4, 4691241), (6, 3127494), (9, 2084996), (12, 1563747), (18, 1042498), (23, 815868), (36, 521249), (46, 407934), (69, 271956), (92, 203967), (131, 143244), (138, 135978), (173, 108468), (207, 90652), (262, 71622), (276, 67989), (346, 54234), (393, 47748), (414, 45326), (519, 36156), (524, 35811), (692, 27117), (786, 23874), (828, 22663), (1038, 18078), (1179, 15916), (1557, 12052), (1572, 11937), (2076, 9039), (2358, 7958), (3013, 6228), (3114, 6026), (3979, 4716)]