19727358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 28656642

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 59, 114, 118, 133, 177, 266, 354, 399, 413, 419, 798, 826, 838, 1121, 1239, 1257, 2242, 2478, 2514, 2933, 3363, 5866, 6726, 7847, 7961, 8799, 15694, 15922, 17598, 23541, 23883, 24721, 47082, 47766, 49442, 55727, 74163, 111454, 148326, 167181, 173047, 334362, 346094, 469699, 519141, 939398, 1038282, 1409097, 2818194, 3287893, 6575786, 9863679, 19727358]

約数ペア:

[(1, 19727358), (2, 9863679), (3, 6575786), (6, 3287893), (7, 2818194), (14, 1409097), (19, 1038282), (21, 939398), (38, 519141), (42, 469699), (57, 346094), (59, 334362), (114, 173047), (118, 167181), (133, 148326), (177, 111454), (266, 74163), (354, 55727), (399, 49442), (413, 47766), (419, 47082), (798, 24721), (826, 23883), (838, 23541), (1121, 17598), (1239, 15922), (1257, 15694), (2242, 8799), (2478, 7961), (2514, 7847), (2933, 6726), (3363, 5866)]