19693728

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 60933600

約数和(自身を除く): 41239872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 59, 61, 72, 76, 96, 114, 118, 122, 144, 152, 171, 177, 183, 228, 236, 244, 288, 304, 342, 354, 366, 456, 472, 488, 531, 549, 608, 684, 708, 732, 912, 944, 976, 1062, 1098, 1121, 1159, 1368, 1416, 1464, 1824, 1888, 1952, 2124, 2196, 2242, 2318, 2736, 2832, 2928, 3363, 3477, 3599, 4248, 4392, 4484, 4636, 5472, 5664, 5856, 6726, 6954, 7198, 8496, 8784, 8968, 9272, 10089, 10431, 10797, 13452, 13908, 14396, 16992, 17568, 17936, 18544, 20178, 20862, 21594, 26904, 27816, 28792, 32391, 35872, 37088, 40356, 41724, 43188, 53808, 55632, 57584, 64782, 68381, 80712, 83448, 86376, 107616, 111264, 115168, 129564, 136762, 161424, 166896, 172752, 205143, 259128, 273524, 322848, 333792, 345504, 410286, 518256, 547048, 615429, 820572, 1036512, 1094096, 1230858, 1641144, 2188192, 2461716, 3282288, 4923432, 6564576, 9846864, 19693728]

約数ペア:

[(1, 19693728), (2, 9846864), (3, 6564576), (4, 4923432), (6, 3282288), (8, 2461716), (9, 2188192), (12, 1641144), (16, 1230858), (18, 1094096), (19, 1036512), (24, 820572), (32, 615429), (36, 547048), (38, 518256), (48, 410286), (57, 345504), (59, 333792), (61, 322848), (72, 273524), (76, 259128), (96, 205143), (114, 172752), (118, 166896), (122, 161424), (144, 136762), (152, 129564), (171, 115168), (177, 111264), (183, 107616), (228, 86376), (236, 83448), (244, 80712), (288, 68381), (304, 64782), (342, 57584), (354, 55632), (366, 53808), (456, 43188), (472, 41724), (488, 40356), (531, 37088), (549, 35872), (608, 32391), (684, 28792), (708, 27816), (732, 26904), (912, 21594), (944, 20862), (976, 20178), (1062, 18544), (1098, 17936), (1121, 17568), (1159, 16992), (1368, 14396), (1416, 13908), (1464, 13452), (1824, 10797), (1888, 10431), (1952, 10089), (2124, 9272), (2196, 8968), (2242, 8784), (2318, 8496), (2736, 7198), (2832, 6954), (2928, 6726), (3363, 5856), (3477, 5664), (3599, 5472), (4248, 4636), (4392, 4484)]