18470650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 72

約数和(自身を含む): 39184992

約数和(自身を除く): 20714342

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 71, 86, 110, 121, 142, 215, 242, 275, 355, 430, 473, 550, 605, 710, 781, 946, 1075, 1210, 1562, 1775, 2150, 2365, 3025, 3053, 3550, 3905, 4730, 5203, 6050, 6106, 7810, 8591, 10406, 11825, 15265, 17182, 19525, 23650, 26015, 30530, 33583, 39050, 42955, 52030, 67166, 76325, 85910, 130075, 152650, 167915, 214775, 260150, 335830, 369413, 429550, 738826, 839575, 1679150, 1847065, 3694130, 9235325, 18470650]

約数ペア:

[(1, 18470650), (2, 9235325), (5, 3694130), (10, 1847065), (11, 1679150), (22, 839575), (25, 738826), (43, 429550), (50, 369413), (55, 335830), (71, 260150), (86, 214775), (110, 167915), (121, 152650), (142, 130075), (215, 85910), (242, 76325), (275, 67166), (355, 52030), (430, 42955), (473, 39050), (550, 33583), (605, 30530), (710, 26015), (781, 23650), (946, 19525), (1075, 17182), (1210, 15265), (1562, 11825), (1775, 10406), (2150, 8591), (2365, 7810), (3025, 6106), (3053, 6050), (3550, 5203), (3905, 4730)]