18747604

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 36388800

約数和(自身を除く): 17641196

約数列:

[1, 2, 4, 19, 37, 38, 59, 74, 76, 113, 118, 148, 226, 236, 452, 703, 1121, 1406, 2147, 2183, 2242, 2812, 4181, 4294, 4366, 4484, 6667, 8362, 8588, 8732, 13334, 16724, 26668, 41477, 79439, 82954, 126673, 158878, 165908, 246679, 253346, 317756, 493358, 506692, 986716, 4686901, 9373802, 18747604]

約数ペア:

[(1, 18747604), (2, 9373802), (4, 4686901), (19, 986716), (37, 506692), (38, 493358), (59, 317756), (74, 253346), (76, 246679), (113, 165908), (118, 158878), (148, 126673), (226, 82954), (236, 79439), (452, 41477), (703, 26668), (1121, 16724), (1406, 13334), (2147, 8732), (2183, 8588), (2242, 8362), (2812, 6667), (4181, 4484), (4294, 4366)]