19292680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 47822400

約数和(自身を除く): 28529720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 269, 326, 440, 538, 652, 815, 1076, 1304, 1345, 1630, 1793, 2152, 2690, 2959, 3260, 3586, 5380, 5918, 6520, 7172, 8965, 10760, 11836, 14344, 14795, 17930, 23672, 29590, 35860, 43847, 59180, 71720, 87694, 118360, 175388, 219235, 350776, 438470, 482317, 876940, 964634, 1753880, 1929268, 2411585, 3858536, 4823170, 9646340, 19292680]

約数ペア:

[(1, 19292680), (2, 9646340), (4, 4823170), (5, 3858536), (8, 2411585), (10, 1929268), (11, 1753880), (20, 964634), (22, 876940), (40, 482317), (44, 438470), (55, 350776), (88, 219235), (110, 175388), (163, 118360), (220, 87694), (269, 71720), (326, 59180), (440, 43847), (538, 35860), (652, 29590), (815, 23672), (1076, 17930), (1304, 14795), (1345, 14344), (1630, 11836), (1793, 10760), (2152, 8965), (2690, 7172), (2959, 6520), (3260, 5918), (3586, 5380)]