18481788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 56137536

約数和(自身を除く): 37655748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 23, 26, 34, 36, 39, 46, 51, 52, 68, 69, 78, 92, 101, 102, 117, 138, 153, 156, 202, 204, 207, 221, 234, 276, 299, 303, 306, 391, 404, 414, 442, 468, 598, 606, 612, 663, 782, 828, 884, 897, 909, 1173, 1196, 1212, 1313, 1326, 1564, 1717, 1794, 1818, 1989, 2323, 2346, 2626, 2652, 2691, 3434, 3519, 3588, 3636, 3939, 3978, 4646, 4692, 5083, 5151, 5252, 5382, 6868, 6969, 7038, 7878, 7956, 9292, 10166, 10302, 10764, 11817, 13938, 14076, 15249, 15453, 15756, 20332, 20604, 20907, 22321, 23634, 27876, 30199, 30498, 30906, 39491, 41814, 44642, 45747, 47268, 60398, 60996, 61812, 66963, 78982, 83628, 89284, 90597, 91494, 118473, 120796, 133926, 157964, 181194, 182988, 200889, 236946, 267852, 271791, 355419, 362388, 401778, 473892, 513383, 543582, 710838, 803556, 1026766, 1087164, 1421676, 1540149, 2053532, 3080298, 4620447, 6160596, 9240894, 18481788]

約数ペア:

[(1, 18481788), (2, 9240894), (3, 6160596), (4, 4620447), (6, 3080298), (9, 2053532), (12, 1540149), (13, 1421676), (17, 1087164), (18, 1026766), (23, 803556), (26, 710838), (34, 543582), (36, 513383), (39, 473892), (46, 401778), (51, 362388), (52, 355419), (68, 271791), (69, 267852), (78, 236946), (92, 200889), (101, 182988), (102, 181194), (117, 157964), (138, 133926), (153, 120796), (156, 118473), (202, 91494), (204, 90597), (207, 89284), (221, 83628), (234, 78982), (276, 66963), (299, 61812), (303, 60996), (306, 60398), (391, 47268), (404, 45747), (414, 44642), (442, 41814), (468, 39491), (598, 30906), (606, 30498), (612, 30199), (663, 27876), (782, 23634), (828, 22321), (884, 20907), (897, 20604), (909, 20332), (1173, 15756), (1196, 15453), (1212, 15249), (1313, 14076), (1326, 13938), (1564, 11817), (1717, 10764), (1794, 10302), (1818, 10166), (1989, 9292), (2323, 7956), (2346, 7878), (2626, 7038), (2652, 6969), (2691, 6868), (3434, 5382), (3519, 5252), (3588, 5151), (3636, 5083), (3939, 4692), (3978, 4646)]