19448820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{647}}^1$

素因数の和:829

約数の個数: 72

約数和(自身を含む): 59439744

約数和(自身を除く): 39990924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 501, 647, 668, 835, 1002, 1294, 1503, 1670, 1941, 2004, 2505, 2588, 3006, 3235, 3340, 3882, 5010, 5823, 6012, 6470, 7515, 7764, 9705, 10020, 11646, 12940, 15030, 19410, 23292, 29115, 30060, 38820, 58230, 108049, 116460, 216098, 324147, 432196, 540245, 648294, 972441, 1080490, 1296588, 1620735, 1944882, 2160980, 3241470, 3889764, 4862205, 6482940, 9724410, 19448820]

約数ペア:

[(1, 19448820), (2, 9724410), (3, 6482940), (4, 4862205), (5, 3889764), (6, 3241470), (9, 2160980), (10, 1944882), (12, 1620735), (15, 1296588), (18, 1080490), (20, 972441), (30, 648294), (36, 540245), (45, 432196), (60, 324147), (90, 216098), (167, 116460), (180, 108049), (334, 58230), (501, 38820), (647, 30060), (668, 29115), (835, 23292), (1002, 19410), (1294, 15030), (1503, 12940), (1670, 11646), (1941, 10020), (2004, 9705), (2505, 7764), (2588, 7515), (3006, 6470), (3235, 6012), (3340, 5823), (3882, 5010)]