18221504

素因数分解:

$2^6\times 7^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:565

約数の個数: 56

約数和(自身を含む): 41879520

約数和(自身を除く): 23658016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 178, 224, 356, 448, 457, 623, 712, 914, 1246, 1424, 1828, 2492, 2848, 3199, 3656, 4984, 5696, 6398, 7312, 9968, 12796, 14624, 19936, 25592, 29248, 39872, 40673, 51184, 81346, 102368, 162692, 204736, 284711, 325384, 569422, 650768, 1138844, 1301536, 2277688, 2603072, 4555376, 9110752, 18221504]

約数ペア:

[(1, 18221504), (2, 9110752), (4, 4555376), (7, 2603072), (8, 2277688), (14, 1301536), (16, 1138844), (28, 650768), (32, 569422), (56, 325384), (64, 284711), (89, 204736), (112, 162692), (178, 102368), (224, 81346), (356, 51184), (448, 40673), (457, 39872), (623, 29248), (712, 25592), (914, 19936), (1246, 14624), (1424, 12796), (1828, 9968), (2492, 7312), (2848, 6398), (3199, 5696), (3656, 4984)]