19320525

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 120

約数和(自身を含む): 43211520

約数和(自身を除く): 23890995

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 29, 35, 45, 47, 63, 75, 81, 87, 105, 135, 141, 145, 175, 189, 203, 225, 235, 261, 315, 329, 405, 423, 435, 525, 567, 609, 675, 705, 725, 783, 945, 987, 1015, 1175, 1269, 1305, 1363, 1575, 1645, 1827, 2025, 2115, 2175, 2349, 2835, 2961, 3045, 3525, 3807, 3915, 4089, 4725, 4935, 5075, 5481, 6345, 6525, 6815, 8225, 8883, 9135, 9541, 10575, 11745, 12267, 14175, 14805, 15225, 16443, 19035, 19575, 20445, 24675, 26649, 27405, 28623, 31725, 34075, 36801, 44415, 45675, 47705, 58725, 61335, 74025, 82215, 85869, 95175, 102225, 110403, 133245, 137025, 143115, 184005, 222075, 238525, 257607, 306675, 411075, 429345, 552015, 666225, 715575, 772821, 920025, 1288035, 2146725, 2760075, 3864105, 6440175, 19320525]

約数ペア:

[(1, 19320525), (3, 6440175), (5, 3864105), (7, 2760075), (9, 2146725), (15, 1288035), (21, 920025), (25, 772821), (27, 715575), (29, 666225), (35, 552015), (45, 429345), (47, 411075), (63, 306675), (75, 257607), (81, 238525), (87, 222075), (105, 184005), (135, 143115), (141, 137025), (145, 133245), (175, 110403), (189, 102225), (203, 95175), (225, 85869), (235, 82215), (261, 74025), (315, 61335), (329, 58725), (405, 47705), (423, 45675), (435, 44415), (525, 36801), (567, 34075), (609, 31725), (675, 28623), (705, 27405), (725, 26649), (783, 24675), (945, 20445), (987, 19575), (1015, 19035), (1175, 16443), (1269, 15225), (1305, 14805), (1363, 14175), (1575, 12267), (1645, 11745), (1827, 10575), (2025, 9541), (2115, 9135), (2175, 8883), (2349, 8225), (2835, 6815), (2961, 6525), (3045, 6345), (3525, 5481), (3807, 5075), (3915, 4935), (4089, 4725)]