19420260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 57480192

約数和(自身を除く): 38059932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 53, 60, 62, 93, 106, 124, 155, 159, 186, 197, 212, 265, 310, 318, 372, 394, 465, 530, 591, 620, 636, 788, 795, 930, 985, 1060, 1182, 1590, 1643, 1860, 1970, 2364, 2955, 3180, 3286, 3940, 4929, 5910, 6107, 6572, 8215, 9858, 10441, 11820, 12214, 16430, 18321, 19716, 20882, 24428, 24645, 30535, 31323, 32860, 36642, 41764, 49290, 52205, 61070, 62646, 73284, 91605, 98580, 104410, 122140, 125292, 156615, 183210, 208820, 313230, 323671, 366420, 626460, 647342, 971013, 1294684, 1618355, 1942026, 3236710, 3884052, 4855065, 6473420, 9710130, 19420260]

約数ペア:

[(1, 19420260), (2, 9710130), (3, 6473420), (4, 4855065), (5, 3884052), (6, 3236710), (10, 1942026), (12, 1618355), (15, 1294684), (20, 971013), (30, 647342), (31, 626460), (53, 366420), (60, 323671), (62, 313230), (93, 208820), (106, 183210), (124, 156615), (155, 125292), (159, 122140), (186, 104410), (197, 98580), (212, 91605), (265, 73284), (310, 62646), (318, 61070), (372, 52205), (394, 49290), (465, 41764), (530, 36642), (591, 32860), (620, 31323), (636, 30535), (788, 24645), (795, 24428), (930, 20882), (985, 19716), (1060, 18321), (1182, 16430), (1590, 12214), (1643, 11820), (1860, 10441), (1970, 9858), (2364, 8215), (2955, 6572), (3180, 6107), (3286, 5910), (3940, 4929)]