18138996

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1153}}^1$

素因数の和:1205

約数の個数: 72

約数和(自身を含む): 50406720

約数和(自身を除く): 32267724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1153, 1311, 1748, 2306, 2622, 3459, 3933, 4612, 5244, 6918, 7866, 10377, 13836, 15732, 20754, 21907, 26519, 41508, 43814, 53038, 65721, 79557, 87628, 106076, 131442, 159114, 197163, 238671, 262884, 318228, 394326, 477342, 503861, 788652, 954684, 1007722, 1511583, 2015444, 3023166, 4534749, 6046332, 9069498, 18138996]

約数ペア:

[(1, 18138996), (2, 9069498), (3, 6046332), (4, 4534749), (6, 3023166), (9, 2015444), (12, 1511583), (18, 1007722), (19, 954684), (23, 788652), (36, 503861), (38, 477342), (46, 394326), (57, 318228), (69, 262884), (76, 238671), (92, 197163), (114, 159114), (138, 131442), (171, 106076), (207, 87628), (228, 79557), (276, 65721), (342, 53038), (414, 43814), (437, 41508), (684, 26519), (828, 21907), (874, 20754), (1153, 15732), (1311, 13836), (1748, 10377), (2306, 7866), (2622, 6918), (3459, 5244), (3933, 4612)]