18736272

素因数分解:

$2^4\times 3^5\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 120

約数和(自身を含む): 55968640

約数和(自身を除く): 37232368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 61, 72, 79, 81, 108, 122, 144, 158, 162, 183, 216, 237, 243, 244, 316, 324, 366, 432, 474, 486, 488, 549, 632, 648, 711, 732, 948, 972, 976, 1098, 1264, 1296, 1422, 1464, 1647, 1896, 1944, 2133, 2196, 2844, 2928, 3294, 3792, 3888, 4266, 4392, 4819, 4941, 5688, 6399, 6588, 8532, 8784, 9638, 9882, 11376, 12798, 13176, 14457, 14823, 17064, 19197, 19276, 19764, 25596, 26352, 28914, 29646, 34128, 38394, 38552, 39528, 43371, 51192, 57828, 59292, 76788, 77104, 79056, 86742, 102384, 115656, 118584, 130113, 153576, 173484, 231312, 237168, 260226, 307152, 346968, 390339, 520452, 693936, 780678, 1040904, 1171017, 1561356, 2081808, 2342034, 3122712, 4684068, 6245424, 9368136, 18736272]

約数ペア:

[(1, 18736272), (2, 9368136), (3, 6245424), (4, 4684068), (6, 3122712), (8, 2342034), (9, 2081808), (12, 1561356), (16, 1171017), (18, 1040904), (24, 780678), (27, 693936), (36, 520452), (48, 390339), (54, 346968), (61, 307152), (72, 260226), (79, 237168), (81, 231312), (108, 173484), (122, 153576), (144, 130113), (158, 118584), (162, 115656), (183, 102384), (216, 86742), (237, 79056), (243, 77104), (244, 76788), (316, 59292), (324, 57828), (366, 51192), (432, 43371), (474, 39528), (486, 38552), (488, 38394), (549, 34128), (632, 29646), (648, 28914), (711, 26352), (732, 25596), (948, 19764), (972, 19276), (976, 19197), (1098, 17064), (1264, 14823), (1296, 14457), (1422, 13176), (1464, 12798), (1647, 11376), (1896, 9882), (1944, 9638), (2133, 8784), (2196, 8532), (2844, 6588), (2928, 6399), (3294, 5688), (3792, 4941), (3888, 4819), (4266, 4392)]