18953040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 59246208

約数和(自身を除く): 40293168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 503, 628, 785, 942, 1006, 1256, 1509, 1570, 1884, 2012, 2355, 2512, 2515, 3018, 3140, 3768, 4024, 4710, 5030, 6036, 6280, 7536, 7545, 8048, 9420, 10060, 12072, 12560, 15090, 18840, 20120, 24144, 30180, 37680, 40240, 60360, 78971, 120720, 157942, 236913, 315884, 394855, 473826, 631768, 789710, 947652, 1184565, 1263536, 1579420, 1895304, 2369130, 3158840, 3790608, 4738260, 6317680, 9476520, 18953040]

約数ペア:

[(1, 18953040), (2, 9476520), (3, 6317680), (4, 4738260), (5, 3790608), (6, 3158840), (8, 2369130), (10, 1895304), (12, 1579420), (15, 1263536), (16, 1184565), (20, 947652), (24, 789710), (30, 631768), (40, 473826), (48, 394855), (60, 315884), (80, 236913), (120, 157942), (157, 120720), (240, 78971), (314, 60360), (471, 40240), (503, 37680), (628, 30180), (785, 24144), (942, 20120), (1006, 18840), (1256, 15090), (1509, 12560), (1570, 12072), (1884, 10060), (2012, 9420), (2355, 8048), (2512, 7545), (2515, 7536), (3018, 6280), (3140, 6036), (3768, 5030), (4024, 4710)]