19876140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4801}}^1$

素因数の和:4839

約数の個数: 72

約数和(自身を含む): 62925408

約数和(自身を除く): 43049268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4801, 9602, 14403, 19204, 24005, 28806, 43209, 48010, 57612, 72015, 86418, 96020, 110423, 144030, 172836, 216045, 220846, 288060, 331269, 432090, 441692, 552115, 662538, 864180, 993807, 1104230, 1325076, 1656345, 1987614, 2208460, 3312690, 3975228, 4969035, 6625380, 9938070, 19876140]

約数ペア:

[(1, 19876140), (2, 9938070), (3, 6625380), (4, 4969035), (5, 3975228), (6, 3312690), (9, 2208460), (10, 1987614), (12, 1656345), (15, 1325076), (18, 1104230), (20, 993807), (23, 864180), (30, 662538), (36, 552115), (45, 441692), (46, 432090), (60, 331269), (69, 288060), (90, 220846), (92, 216045), (115, 172836), (138, 144030), (180, 110423), (207, 96020), (230, 86418), (276, 72015), (345, 57612), (414, 48010), (460, 43209), (690, 28806), (828, 24005), (1035, 19204), (1380, 14403), (2070, 9602), (4140, 4801)]