1998648

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 5856000

約数和(自身を除く): 3857352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 487, 513, 684, 974, 1026, 1368, 1461, 1948, 2052, 2922, 3896, 4104, 4383, 5844, 8766, 9253, 11688, 13149, 17532, 18506, 26298, 27759, 35064, 37012, 52596, 55518, 74024, 83277, 105192, 111036, 166554, 222072, 249831, 333108, 499662, 666216, 999324, 1998648]

約数ペア:

[(1, 1998648), (2, 999324), (3, 666216), (4, 499662), (6, 333108), (8, 249831), (9, 222072), (12, 166554), (18, 111036), (19, 105192), (24, 83277), (27, 74024), (36, 55518), (38, 52596), (54, 37012), (57, 35064), (72, 27759), (76, 26298), (108, 18506), (114, 17532), (152, 13149), (171, 11688), (216, 9253), (228, 8766), (342, 5844), (456, 4383), (487, 4104), (513, 3896), (684, 2922), (974, 2052), (1026, 1948), (1368, 1461)]