16818990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1553}}^1$

素因数の和:1601

約数の個数: 48

約数和(自身を含む): 42629328

約数和(自身を除く): 25810338

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 361, 570, 722, 1083, 1553, 1805, 2166, 3106, 3610, 4659, 5415, 7765, 9318, 10830, 15530, 23295, 29507, 46590, 59014, 88521, 147535, 177042, 295070, 442605, 560633, 885210, 1121266, 1681899, 2803165, 3363798, 5606330, 8409495, 16818990]

約数ペア:

[(1, 16818990), (2, 8409495), (3, 5606330), (5, 3363798), (6, 2803165), (10, 1681899), (15, 1121266), (19, 885210), (30, 560633), (38, 442605), (57, 295070), (95, 177042), (114, 147535), (190, 88521), (285, 59014), (361, 46590), (570, 29507), (722, 23295), (1083, 15530), (1553, 10830), (1805, 9318), (2166, 7765), (3106, 5415), (3610, 4659)]