19161040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 48063888

約数和(自身を除く): 28902848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 73, 80, 85, 136, 146, 170, 193, 272, 292, 340, 365, 386, 584, 680, 730, 772, 965, 1168, 1241, 1360, 1460, 1544, 1930, 2482, 2920, 3088, 3281, 3860, 4964, 5840, 6205, 6562, 7720, 9928, 12410, 13124, 14089, 15440, 16405, 19856, 24820, 26248, 28178, 32810, 49640, 52496, 56356, 65620, 70445, 99280, 112712, 131240, 140890, 225424, 239513, 262480, 281780, 479026, 563560, 958052, 1127120, 1197565, 1916104, 2395130, 3832208, 4790260, 9580520, 19161040]

約数ペア:

[(1, 19161040), (2, 9580520), (4, 4790260), (5, 3832208), (8, 2395130), (10, 1916104), (16, 1197565), (17, 1127120), (20, 958052), (34, 563560), (40, 479026), (68, 281780), (73, 262480), (80, 239513), (85, 225424), (136, 140890), (146, 131240), (170, 112712), (193, 99280), (272, 70445), (292, 65620), (340, 56356), (365, 52496), (386, 49640), (584, 32810), (680, 28178), (730, 26248), (772, 24820), (965, 19856), (1168, 16405), (1241, 15440), (1360, 14089), (1460, 13124), (1544, 12410), (1930, 9928), (2482, 7720), (2920, 6562), (3088, 6205), (3281, 5840), (3860, 4964)]