18124460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 42039648

約数和(自身を除く): 23915188

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 41, 46, 62, 82, 92, 115, 124, 155, 164, 205, 230, 310, 410, 460, 620, 713, 820, 943, 961, 1271, 1426, 1886, 1922, 2542, 2852, 3565, 3772, 3844, 4715, 4805, 5084, 6355, 7130, 9430, 9610, 12710, 14260, 18860, 19220, 22103, 25420, 29233, 39401, 44206, 58466, 78802, 88412, 110515, 116932, 146165, 157604, 197005, 221030, 292330, 394010, 442060, 584660, 788020, 906223, 1812446, 3624892, 4531115, 9062230, 18124460]

約数ペア:

[(1, 18124460), (2, 9062230), (4, 4531115), (5, 3624892), (10, 1812446), (20, 906223), (23, 788020), (31, 584660), (41, 442060), (46, 394010), (62, 292330), (82, 221030), (92, 197005), (115, 157604), (124, 146165), (155, 116932), (164, 110515), (205, 88412), (230, 78802), (310, 58466), (410, 44206), (460, 39401), (620, 29233), (713, 25420), (820, 22103), (943, 19220), (961, 18860), (1271, 14260), (1426, 12710), (1886, 9610), (1922, 9430), (2542, 7130), (2852, 6355), (3565, 5084), (3772, 4805), (3844, 4715)]