19273788

素因数分解:

$2^2\times 3^5\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 51367680

約数和(自身を除く): 32093892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 243, 251, 316, 324, 474, 486, 502, 711, 753, 948, 972, 1004, 1422, 1506, 2133, 2259, 2844, 3012, 4266, 4518, 6399, 6777, 8532, 9036, 12798, 13554, 19197, 19829, 20331, 25596, 27108, 38394, 39658, 40662, 59487, 60993, 76788, 79316, 81324, 118974, 121986, 178461, 237948, 243972, 356922, 535383, 713844, 1070766, 1606149, 2141532, 3212298, 4818447, 6424596, 9636894, 19273788]

約数ペア:

[(1, 19273788), (2, 9636894), (3, 6424596), (4, 4818447), (6, 3212298), (9, 2141532), (12, 1606149), (18, 1070766), (27, 713844), (36, 535383), (54, 356922), (79, 243972), (81, 237948), (108, 178461), (158, 121986), (162, 118974), (237, 81324), (243, 79316), (251, 76788), (316, 60993), (324, 59487), (474, 40662), (486, 39658), (502, 38394), (711, 27108), (753, 25596), (948, 20331), (972, 19829), (1004, 19197), (1422, 13554), (1506, 12798), (2133, 9036), (2259, 8532), (2844, 6777), (3012, 6399), (4266, 4518)]