17990748

素因数分解:

$2^2\times 3^5\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 47943168

約数和(自身を除く): 29952420

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 83, 108, 162, 166, 223, 243, 249, 324, 332, 446, 486, 498, 669, 747, 892, 972, 996, 1338, 1494, 2007, 2241, 2676, 2988, 4014, 4482, 6021, 6723, 8028, 8964, 12042, 13446, 18063, 18509, 20169, 24084, 26892, 36126, 37018, 40338, 54189, 55527, 72252, 74036, 80676, 108378, 111054, 166581, 216756, 222108, 333162, 499743, 666324, 999486, 1499229, 1998972, 2998458, 4497687, 5996916, 8995374, 17990748]

約数ペア:

[(1, 17990748), (2, 8995374), (3, 5996916), (4, 4497687), (6, 2998458), (9, 1998972), (12, 1499229), (18, 999486), (27, 666324), (36, 499743), (54, 333162), (81, 222108), (83, 216756), (108, 166581), (162, 111054), (166, 108378), (223, 80676), (243, 74036), (249, 72252), (324, 55527), (332, 54189), (446, 40338), (486, 37018), (498, 36126), (669, 26892), (747, 24084), (892, 20169), (972, 18509), (996, 18063), (1338, 13446), (1494, 12042), (2007, 8964), (2241, 8028), (2676, 6723), (2988, 6021), (4014, 4482)]