19113440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7027}}^1$

素因数の和:7059

約数の個数: 48

約数和(自身を含む): 47818512

約数和(自身を除く): 28705072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 7027, 14054, 28108, 35135, 56216, 70270, 112432, 119459, 140540, 224864, 238918, 281080, 477836, 562160, 597295, 955672, 1124320, 1194590, 1911344, 2389180, 3822688, 4778360, 9556720, 19113440]

約数ペア:

[(1, 19113440), (2, 9556720), (4, 4778360), (5, 3822688), (8, 2389180), (10, 1911344), (16, 1194590), (17, 1124320), (20, 955672), (32, 597295), (34, 562160), (40, 477836), (68, 281080), (80, 238918), (85, 224864), (136, 140540), (160, 119459), (170, 112432), (272, 70270), (340, 56216), (544, 35135), (680, 28108), (1360, 14054), (2720, 7027)]