18847696

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 46604160

約数和(自身を除く): 27756464

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 56, 68, 76, 112, 119, 133, 136, 152, 238, 266, 272, 304, 323, 476, 521, 532, 646, 952, 1042, 1064, 1292, 1904, 2084, 2128, 2261, 2584, 3647, 4168, 4522, 5168, 7294, 8336, 8857, 9044, 9899, 14588, 17714, 18088, 19798, 29176, 35428, 36176, 39596, 58352, 61999, 69293, 70856, 79192, 123998, 138586, 141712, 158384, 168283, 247996, 277172, 336566, 495992, 554344, 673132, 991984, 1108688, 1177981, 1346264, 2355962, 2692528, 4711924, 9423848, 18847696]

約数ペア:

[(1, 18847696), (2, 9423848), (4, 4711924), (7, 2692528), (8, 2355962), (14, 1346264), (16, 1177981), (17, 1108688), (19, 991984), (28, 673132), (34, 554344), (38, 495992), (56, 336566), (68, 277172), (76, 247996), (112, 168283), (119, 158384), (133, 141712), (136, 138586), (152, 123998), (238, 79192), (266, 70856), (272, 69293), (304, 61999), (323, 58352), (476, 39596), (521, 36176), (532, 35428), (646, 29176), (952, 19798), (1042, 18088), (1064, 17714), (1292, 14588), (1904, 9899), (2084, 9044), (2128, 8857), (2261, 8336), (2584, 7294), (3647, 5168), (4168, 4522)]