19758564

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:534

約数の個数: 108

約数和(自身を含む): 60750144

約数和(自身を除く): 40991580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 69, 84, 92, 98, 126, 138, 147, 161, 196, 207, 252, 276, 294, 322, 414, 441, 483, 487, 588, 644, 828, 882, 966, 974, 1127, 1449, 1461, 1764, 1932, 1948, 2254, 2898, 2922, 3381, 3409, 4383, 4508, 5796, 5844, 6762, 6818, 8766, 10143, 10227, 11201, 13524, 13636, 17532, 20286, 20454, 22402, 23863, 30681, 33603, 40572, 40908, 44804, 47726, 61362, 67206, 71589, 78407, 95452, 100809, 122724, 134412, 143178, 156814, 201618, 214767, 235221, 286356, 313628, 403236, 429534, 470442, 548849, 705663, 859068, 940884, 1097698, 1411326, 1646547, 2195396, 2822652, 3293094, 4939641, 6586188, 9879282, 19758564]

約数ペア:

[(1, 19758564), (2, 9879282), (3, 6586188), (4, 4939641), (6, 3293094), (7, 2822652), (9, 2195396), (12, 1646547), (14, 1411326), (18, 1097698), (21, 940884), (23, 859068), (28, 705663), (36, 548849), (42, 470442), (46, 429534), (49, 403236), (63, 313628), (69, 286356), (84, 235221), (92, 214767), (98, 201618), (126, 156814), (138, 143178), (147, 134412), (161, 122724), (196, 100809), (207, 95452), (252, 78407), (276, 71589), (294, 67206), (322, 61362), (414, 47726), (441, 44804), (483, 40908), (487, 40572), (588, 33603), (644, 30681), (828, 23863), (882, 22402), (966, 20454), (974, 20286), (1127, 17532), (1449, 13636), (1461, 13524), (1764, 11201), (1932, 10227), (1948, 10143), (2254, 8766), (2898, 6818), (2922, 6762), (3381, 5844), (3409, 5796), (4383, 4508)]