18835553988

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{117023}}^1$

素因数の和:117313

約数の個数: 72

約数和(自身を含む): 50604922368

約数和(自身を除く): 31769368380

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 263, 306, 526, 612, 789, 1052, 1578, 2367, 3156, 4471, 4734, 8942, 9468, 13413, 17884, 26826, 40239, 53652, 80478, 117023, 160956, 234046, 351069, 468092, 702138, 1053207, 1404276, 1989391, 2106414, 3978782, 4212828, 5968173, 7957564, 11936346, 17904519, 23872692, 30777049, 35809038, 61554098, 71618076, 92331147, 123108196, 184662294, 276993441, 369324588, 523209833, 553986882, 1046419666, 1107973764, 1569629499, 2092839332, 3139258998, 4708888497, 6278517996, 9417776994, 18835553988]

約数ペア:

[(1, 18835553988), (2, 9417776994), (3, 6278517996), (4, 4708888497), (6, 3139258998), (9, 2092839332), (12, 1569629499), (17, 1107973764), (18, 1046419666), (34, 553986882), (36, 523209833), (51, 369324588), (68, 276993441), (102, 184662294), (153, 123108196), (204, 92331147), (263, 71618076), (306, 61554098), (526, 35809038), (612, 30777049), (789, 23872692), (1052, 17904519), (1578, 11936346), (2367, 7957564), (3156, 5968173), (4471, 4212828), (4734, 3978782), (8942, 2106414), (9468, 1989391), (13413, 1404276), (17884, 1053207), (26826, 702138), (40239, 468092), (53652, 351069), (80478, 234046), (117023, 160956)]