19484955

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 41932800

約数和(自身を除く): 22447845

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 63, 79, 81, 87, 105, 135, 145, 189, 203, 237, 243, 261, 315, 395, 405, 435, 553, 567, 609, 711, 783, 945, 1015, 1185, 1215, 1305, 1659, 1701, 1827, 2133, 2291, 2349, 2765, 2835, 3045, 3555, 3915, 4977, 5481, 6399, 6873, 7047, 8295, 8505, 9135, 10665, 11455, 11745, 14931, 16037, 16443, 19197, 20619, 24885, 27405, 31995, 34365, 35235, 44793, 48111, 49329, 61857, 74655, 80185, 82215, 95985, 103095, 134379, 144333, 185571, 223965, 240555, 246645, 309285, 432999, 556713, 671895, 721665, 927855, 1298997, 2164995, 2783565, 3896991, 6494985, 19484955]

約数ペア:

[(1, 19484955), (3, 6494985), (5, 3896991), (7, 2783565), (9, 2164995), (15, 1298997), (21, 927855), (27, 721665), (29, 671895), (35, 556713), (45, 432999), (63, 309285), (79, 246645), (81, 240555), (87, 223965), (105, 185571), (135, 144333), (145, 134379), (189, 103095), (203, 95985), (237, 82215), (243, 80185), (261, 74655), (315, 61857), (395, 49329), (405, 48111), (435, 44793), (553, 35235), (567, 34365), (609, 31995), (711, 27405), (783, 24885), (945, 20619), (1015, 19197), (1185, 16443), (1215, 16037), (1305, 14931), (1659, 11745), (1701, 11455), (1827, 10665), (2133, 9135), (2291, 8505), (2349, 8295), (2765, 7047), (2835, 6873), (3045, 6399), (3555, 5481), (3915, 4977)]