19243936

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 39803400

約数和(自身を除く): 20559464

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 89, 116, 178, 232, 233, 356, 464, 466, 712, 928, 932, 1424, 1864, 2581, 2848, 3728, 5162, 6757, 7456, 10324, 13514, 20648, 20737, 27028, 41296, 41474, 54056, 82592, 82948, 108112, 165896, 216224, 331792, 601373, 663584, 1202746, 2405492, 4810984, 9621968, 19243936]

約数ペア:

[(1, 19243936), (2, 9621968), (4, 4810984), (8, 2405492), (16, 1202746), (29, 663584), (32, 601373), (58, 331792), (89, 216224), (116, 165896), (178, 108112), (232, 82948), (233, 82592), (356, 54056), (464, 41474), (466, 41296), (712, 27028), (928, 20737), (932, 20648), (1424, 13514), (1864, 10324), (2581, 7456), (2848, 6757), (3728, 5162)]