19616220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 65493792

約数和(自身を除く): 45877572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 83, 90, 101, 117, 130, 156, 166, 180, 195, 202, 234, 249, 260, 303, 332, 390, 404, 415, 468, 498, 505, 585, 606, 747, 780, 830, 909, 996, 1010, 1079, 1170, 1212, 1245, 1313, 1494, 1515, 1660, 1818, 2020, 2158, 2340, 2490, 2626, 2988, 3030, 3237, 3636, 3735, 3939, 4316, 4545, 4980, 5252, 5395, 6060, 6474, 6565, 7470, 7878, 8383, 9090, 9711, 10790, 11817, 12948, 13130, 14940, 15756, 16185, 16766, 18180, 19422, 19695, 21580, 23634, 25149, 26260, 32370, 33532, 38844, 39390, 41915, 47268, 48555, 50298, 59085, 64740, 75447, 78780, 83830, 97110, 100596, 108979, 118170, 125745, 150894, 167660, 194220, 217958, 236340, 251490, 301788, 326937, 377235, 435916, 502980, 544895, 653874, 754470, 980811, 1089790, 1307748, 1508940, 1634685, 1961622, 2179580, 3269370, 3923244, 4904055, 6538740, 9808110, 19616220]

約数ペア:

[(1, 19616220), (2, 9808110), (3, 6538740), (4, 4904055), (5, 3923244), (6, 3269370), (9, 2179580), (10, 1961622), (12, 1634685), (13, 1508940), (15, 1307748), (18, 1089790), (20, 980811), (26, 754470), (30, 653874), (36, 544895), (39, 502980), (45, 435916), (52, 377235), (60, 326937), (65, 301788), (78, 251490), (83, 236340), (90, 217958), (101, 194220), (117, 167660), (130, 150894), (156, 125745), (166, 118170), (180, 108979), (195, 100596), (202, 97110), (234, 83830), (249, 78780), (260, 75447), (303, 64740), (332, 59085), (390, 50298), (404, 48555), (415, 47268), (468, 41915), (498, 39390), (505, 38844), (585, 33532), (606, 32370), (747, 26260), (780, 25149), (830, 23634), (909, 21580), (996, 19695), (1010, 19422), (1079, 18180), (1170, 16766), (1212, 16185), (1245, 15756), (1313, 14940), (1494, 13130), (1515, 12948), (1660, 11817), (1818, 10790), (2020, 9711), (2158, 9090), (2340, 8383), (2490, 7878), (2626, 7470), (2988, 6565), (3030, 6474), (3237, 6060), (3636, 5395), (3735, 5252), (3939, 4980), (4316, 4545)]