18762880

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1543}}^1$

素因数の和:1581

約数の個数: 64

約数和(自身を含む): 47246400

約数和(自身を除く): 28483520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 1543, 2432, 3040, 3086, 6080, 6172, 7715, 12160, 12344, 15430, 24688, 29317, 30860, 49376, 58634, 61720, 98752, 117268, 123440, 146585, 197504, 234536, 246880, 293170, 469072, 493760, 586340, 938144, 987520, 1172680, 1876288, 2345360, 3752576, 4690720, 9381440, 18762880]

約数ペア:

[(1, 18762880), (2, 9381440), (4, 4690720), (5, 3752576), (8, 2345360), (10, 1876288), (16, 1172680), (19, 987520), (20, 938144), (32, 586340), (38, 493760), (40, 469072), (64, 293170), (76, 246880), (80, 234536), (95, 197504), (128, 146585), (152, 123440), (160, 117268), (190, 98752), (304, 61720), (320, 58634), (380, 49376), (608, 30860), (640, 29317), (760, 24688), (1216, 15430), (1520, 12344), (1543, 12160), (2432, 7715), (3040, 6172), (3086, 6080)]