19980432

素因数分解:

$2^4\times 3^7\times {\mathrm{571}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 58160960

約数和(自身を除く): 38180528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 571, 648, 729, 972, 1142, 1296, 1458, 1713, 1944, 2187, 2284, 2916, 3426, 3888, 4374, 4568, 5139, 5832, 6852, 8748, 9136, 10278, 11664, 13704, 15417, 17496, 20556, 27408, 30834, 34992, 41112, 46251, 61668, 82224, 92502, 123336, 138753, 185004, 246672, 277506, 370008, 416259, 555012, 740016, 832518, 1110024, 1248777, 1665036, 2220048, 2497554, 3330072, 4995108, 6660144, 9990216, 19980432]

約数ペア:

[(1, 19980432), (2, 9990216), (3, 6660144), (4, 4995108), (6, 3330072), (8, 2497554), (9, 2220048), (12, 1665036), (16, 1248777), (18, 1110024), (24, 832518), (27, 740016), (36, 555012), (48, 416259), (54, 370008), (72, 277506), (81, 246672), (108, 185004), (144, 138753), (162, 123336), (216, 92502), (243, 82224), (324, 61668), (432, 46251), (486, 41112), (571, 34992), (648, 30834), (729, 27408), (972, 20556), (1142, 17496), (1296, 15417), (1458, 13704), (1713, 11664), (1944, 10278), (2187, 9136), (2284, 8748), (2916, 6852), (3426, 5832), (3888, 5139), (4374, 4568)]