19876194

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 48507732

約数和(自身を除く): 28631538

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 29, 39, 58, 78, 87, 101, 117, 174, 202, 234, 261, 303, 377, 522, 606, 754, 841, 909, 1131, 1313, 1682, 1818, 2262, 2523, 2626, 2929, 3393, 3939, 5046, 5858, 6786, 7569, 7878, 8787, 10933, 11817, 15138, 17574, 21866, 23634, 26361, 32799, 38077, 52722, 65598, 76154, 84941, 98397, 114231, 169882, 196794, 228462, 254823, 342693, 509646, 685386, 764469, 1104233, 1528938, 2208466, 3312699, 6625398, 9938097, 19876194]

約数ペア:

[(1, 19876194), (2, 9938097), (3, 6625398), (6, 3312699), (9, 2208466), (13, 1528938), (18, 1104233), (26, 764469), (29, 685386), (39, 509646), (58, 342693), (78, 254823), (87, 228462), (101, 196794), (117, 169882), (174, 114231), (202, 98397), (234, 84941), (261, 76154), (303, 65598), (377, 52722), (522, 38077), (606, 32799), (754, 26361), (841, 23634), (909, 21866), (1131, 17574), (1313, 15138), (1682, 11817), (1818, 10933), (2262, 8787), (2523, 7878), (2626, 7569), (2929, 6786), (3393, 5858), (3939, 5046)]