18734868

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{4231}}^1$

素因数の和:4285

約数の個数: 48

約数和(自身を含む): 49768320

約数和(自身を除く): 31033452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 82, 108, 123, 164, 246, 369, 492, 738, 1107, 1476, 2214, 4231, 4428, 8462, 12693, 16924, 25386, 38079, 50772, 76158, 114237, 152316, 173471, 228474, 346942, 456948, 520413, 693884, 1040826, 1561239, 2081652, 3122478, 4683717, 6244956, 9367434, 18734868]

約数ペア:

[(1, 18734868), (2, 9367434), (3, 6244956), (4, 4683717), (6, 3122478), (9, 2081652), (12, 1561239), (18, 1040826), (27, 693884), (36, 520413), (41, 456948), (54, 346942), (82, 228474), (108, 173471), (123, 152316), (164, 114237), (246, 76158), (369, 50772), (492, 38079), (738, 25386), (1107, 16924), (1476, 12693), (2214, 8462), (4231, 4428)]