18019300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 42872256

約数和(自身を除く): 24852956

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 83, 100, 130, 166, 167, 260, 325, 332, 334, 415, 650, 668, 830, 835, 1079, 1300, 1660, 1670, 2075, 2158, 2171, 3340, 4150, 4175, 4316, 4342, 5395, 8300, 8350, 8684, 10790, 10855, 13861, 16700, 21580, 21710, 26975, 27722, 43420, 53950, 54275, 55444, 69305, 107900, 108550, 138610, 180193, 217100, 277220, 346525, 360386, 693050, 720772, 900965, 1386100, 1801930, 3603860, 4504825, 9009650, 18019300]

約数ペア:

[(1, 18019300), (2, 9009650), (4, 4504825), (5, 3603860), (10, 1801930), (13, 1386100), (20, 900965), (25, 720772), (26, 693050), (50, 360386), (52, 346525), (65, 277220), (83, 217100), (100, 180193), (130, 138610), (166, 108550), (167, 107900), (260, 69305), (325, 55444), (332, 54275), (334, 53950), (415, 43420), (650, 27722), (668, 26975), (830, 21710), (835, 21580), (1079, 16700), (1300, 13861), (1660, 10855), (1670, 10790), (2075, 8684), (2158, 8350), (2171, 8300), (3340, 5395), (4150, 4342), (4175, 4316)]