18200320

素因数分解:

$2^8\times 5^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 44518320

約数和(自身を除く): 26318000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 241, 256, 295, 320, 472, 482, 590, 640, 944, 964, 1180, 1205, 1280, 1888, 1928, 2360, 2410, 3776, 3856, 4720, 4820, 7552, 7712, 9440, 9640, 14219, 15104, 15424, 18880, 19280, 28438, 30848, 37760, 38560, 56876, 61696, 71095, 75520, 77120, 113752, 142190, 154240, 227504, 284380, 308480, 455008, 568760, 910016, 1137520, 1820032, 2275040, 3640064, 4550080, 9100160, 18200320]

約数ペア:

[(1, 18200320), (2, 9100160), (4, 4550080), (5, 3640064), (8, 2275040), (10, 1820032), (16, 1137520), (20, 910016), (32, 568760), (40, 455008), (59, 308480), (64, 284380), (80, 227504), (118, 154240), (128, 142190), (160, 113752), (236, 77120), (241, 75520), (256, 71095), (295, 61696), (320, 56876), (472, 38560), (482, 37760), (590, 30848), (640, 28438), (944, 19280), (964, 18880), (1180, 15424), (1205, 15104), (1280, 14219), (1888, 9640), (1928, 9440), (2360, 7712), (2410, 7552), (3776, 4820), (3856, 4720)]