18984996

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{4751}}^1$

素因数の和:4801

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 31576284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 4751, 9502, 14253, 19004, 28506, 42759, 57012, 85518, 128277, 171036, 175787, 256554, 351574, 513108, 527361, 703148, 1054722, 1582083, 2109444, 3164166, 4746249, 6328332, 9492498, 18984996]

約数ペア:

[(1, 18984996), (2, 9492498), (3, 6328332), (4, 4746249), (6, 3164166), (9, 2109444), (12, 1582083), (18, 1054722), (27, 703148), (36, 527361), (37, 513108), (54, 351574), (74, 256554), (108, 175787), (111, 171036), (148, 128277), (222, 85518), (333, 57012), (444, 42759), (666, 28506), (999, 19004), (1332, 14253), (1998, 9502), (3996, 4751)]