18929778

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 72

約数和(自身を含む): 46186416

約数和(自身を除く): 27256638

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 49, 62, 67, 93, 98, 134, 147, 186, 201, 217, 294, 402, 434, 469, 651, 938, 961, 1302, 1407, 1519, 1922, 2077, 2814, 2883, 3038, 3283, 4154, 4557, 5766, 6231, 6566, 6727, 9114, 9849, 12462, 13454, 14539, 19698, 20181, 29078, 40362, 43617, 47089, 64387, 87234, 94178, 101773, 128774, 141267, 193161, 203546, 282534, 305319, 386322, 450709, 610638, 901418, 1352127, 2704254, 3154963, 6309926, 9464889, 18929778]

約数ペア:

[(1, 18929778), (2, 9464889), (3, 6309926), (6, 3154963), (7, 2704254), (14, 1352127), (21, 901418), (31, 610638), (42, 450709), (49, 386322), (62, 305319), (67, 282534), (93, 203546), (98, 193161), (134, 141267), (147, 128774), (186, 101773), (201, 94178), (217, 87234), (294, 64387), (402, 47089), (434, 43617), (469, 40362), (651, 29078), (938, 20181), (961, 19698), (1302, 14539), (1407, 13454), (1519, 12462), (1922, 9849), (2077, 9114), (2814, 6727), (2883, 6566), (3038, 6231), (3283, 5766), (4154, 4557)]