19438956

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1431

約数の個数: 72

約数和(自身を含む): 54329184

約数和(自身を除く): 34890228

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 46, 51, 68, 69, 92, 102, 138, 153, 204, 207, 276, 306, 391, 414, 612, 782, 828, 1173, 1381, 1564, 2346, 2762, 3519, 4143, 4692, 5524, 7038, 8286, 12429, 14076, 16572, 23477, 24858, 31763, 46954, 49716, 63526, 70431, 93908, 95289, 127052, 140862, 190578, 211293, 281724, 285867, 381156, 422586, 539971, 571734, 845172, 1079942, 1143468, 1619913, 2159884, 3239826, 4859739, 6479652, 9719478, 19438956]

約数ペア:

[(1, 19438956), (2, 9719478), (3, 6479652), (4, 4859739), (6, 3239826), (9, 2159884), (12, 1619913), (17, 1143468), (18, 1079942), (23, 845172), (34, 571734), (36, 539971), (46, 422586), (51, 381156), (68, 285867), (69, 281724), (92, 211293), (102, 190578), (138, 140862), (153, 127052), (204, 95289), (207, 93908), (276, 70431), (306, 63526), (391, 49716), (414, 46954), (612, 31763), (782, 24858), (828, 23477), (1173, 16572), (1381, 14076), (1564, 12429), (2346, 8286), (2762, 7038), (3519, 5524), (4143, 4692)]