18573280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 48934368

約数和(自身を除く): 30361088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 80, 88, 110, 122, 160, 173, 176, 220, 244, 305, 346, 352, 440, 488, 610, 671, 692, 865, 880, 976, 1220, 1342, 1384, 1730, 1760, 1903, 1952, 2440, 2684, 2768, 3355, 3460, 3806, 4880, 5368, 5536, 6710, 6920, 7612, 9515, 9760, 10553, 10736, 13420, 13840, 15224, 19030, 21106, 21472, 26840, 27680, 30448, 38060, 42212, 52765, 53680, 60896, 76120, 84424, 105530, 107360, 116083, 152240, 168848, 211060, 232166, 304480, 337696, 422120, 464332, 580415, 844240, 928664, 1160830, 1688480, 1857328, 2321660, 3714656, 4643320, 9286640, 18573280]

約数ペア:

[(1, 18573280), (2, 9286640), (4, 4643320), (5, 3714656), (8, 2321660), (10, 1857328), (11, 1688480), (16, 1160830), (20, 928664), (22, 844240), (32, 580415), (40, 464332), (44, 422120), (55, 337696), (61, 304480), (80, 232166), (88, 211060), (110, 168848), (122, 152240), (160, 116083), (173, 107360), (176, 105530), (220, 84424), (244, 76120), (305, 60896), (346, 53680), (352, 52765), (440, 42212), (488, 38060), (610, 30448), (671, 27680), (692, 26840), (865, 21472), (880, 21106), (976, 19030), (1220, 15224), (1342, 13840), (1384, 13420), (1730, 10736), (1760, 10553), (1903, 9760), (1952, 9515), (2440, 7612), (2684, 6920), (2768, 6710), (3355, 5536), (3460, 5368), (3806, 4880)]