19821522

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 48614400

約数和(自身を除く): 28792878

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 59, 114, 118, 133, 177, 266, 354, 399, 413, 421, 798, 826, 842, 1121, 1239, 1263, 2242, 2478, 2526, 2947, 3363, 5894, 6726, 7847, 7999, 8841, 15694, 15998, 17682, 23541, 23997, 24839, 47082, 47994, 49678, 55993, 74517, 111986, 149034, 167979, 173873, 335958, 347746, 471941, 521619, 943882, 1043238, 1415823, 2831646, 3303587, 6607174, 9910761, 19821522]

約数ペア:

[(1, 19821522), (2, 9910761), (3, 6607174), (6, 3303587), (7, 2831646), (14, 1415823), (19, 1043238), (21, 943882), (38, 521619), (42, 471941), (57, 347746), (59, 335958), (114, 173873), (118, 167979), (133, 149034), (177, 111986), (266, 74517), (354, 55993), (399, 49678), (413, 47994), (421, 47082), (798, 24839), (826, 23997), (842, 23541), (1121, 17682), (1239, 15998), (1263, 15694), (2242, 8841), (2478, 7999), (2526, 7847), (2947, 6726), (3363, 5894)]