19687122

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 57139992

約数和(自身を除く): 37452870

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 49, 51, 63, 78, 91, 98, 101, 102, 117, 119, 126, 147, 153, 182, 202, 221, 234, 238, 273, 294, 303, 306, 357, 441, 442, 546, 606, 637, 663, 707, 714, 819, 833, 882, 909, 1071, 1274, 1313, 1326, 1414, 1547, 1638, 1666, 1717, 1818, 1911, 1989, 2121, 2142, 2499, 2626, 3094, 3434, 3822, 3939, 3978, 4242, 4641, 4949, 4998, 5151, 5733, 6363, 7497, 7878, 9191, 9282, 9898, 10302, 10829, 11466, 11817, 12019, 12726, 13923, 14847, 14994, 15453, 18382, 21658, 22321, 23634, 24038, 27573, 27846, 29694, 30906, 32487, 36057, 44541, 44642, 55146, 64337, 64974, 66963, 72114, 82719, 84133, 89082, 97461, 108171, 128674, 133926, 156247, 165438, 168266, 193011, 194922, 200889, 216342, 252399, 312494, 386022, 401778, 468741, 504798, 579033, 757197, 937482, 1093729, 1158066, 1406223, 1514394, 2187458, 2812446, 3281187, 6562374, 9843561, 19687122]

約数ペア:

[(1, 19687122), (2, 9843561), (3, 6562374), (6, 3281187), (7, 2812446), (9, 2187458), (13, 1514394), (14, 1406223), (17, 1158066), (18, 1093729), (21, 937482), (26, 757197), (34, 579033), (39, 504798), (42, 468741), (49, 401778), (51, 386022), (63, 312494), (78, 252399), (91, 216342), (98, 200889), (101, 194922), (102, 193011), (117, 168266), (119, 165438), (126, 156247), (147, 133926), (153, 128674), (182, 108171), (202, 97461), (221, 89082), (234, 84133), (238, 82719), (273, 72114), (294, 66963), (303, 64974), (306, 64337), (357, 55146), (441, 44642), (442, 44541), (546, 36057), (606, 32487), (637, 30906), (663, 29694), (707, 27846), (714, 27573), (819, 24038), (833, 23634), (882, 22321), (909, 21658), (1071, 18382), (1274, 15453), (1313, 14994), (1326, 14847), (1414, 13923), (1547, 12726), (1638, 12019), (1666, 11817), (1717, 11466), (1818, 10829), (1911, 10302), (1989, 9898), (2121, 9282), (2142, 9191), (2499, 7878), (2626, 7497), (3094, 6363), (3434, 5733), (3822, 5151), (3939, 4998), (3978, 4949), (4242, 4641)]