18217920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{2711}}^1$

素因数の和:2738

約数の個数: 112

約数和(自身を含む): 66129408

約数和(自身を除く): 47911488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 2711, 3360, 5422, 6720, 8133, 10844, 13555, 16266, 18977, 21688, 27110, 32532, 37954, 40665, 43376, 54220, 56931, 65064, 75908, 81330, 86752, 94885, 108440, 113862, 130128, 151816, 162660, 173504, 189770, 216880, 227724, 260256, 284655, 303632, 325320, 379540, 433760, 455448, 520512, 569310, 607264, 650640, 759080, 867520, 910896, 1138620, 1214528, 1301280, 1518160, 1821792, 2277240, 2602560, 3036320, 3643584, 4554480, 6072640, 9108960, 18217920]

約数ペア:

[(1, 18217920), (2, 9108960), (3, 6072640), (4, 4554480), (5, 3643584), (6, 3036320), (7, 2602560), (8, 2277240), (10, 1821792), (12, 1518160), (14, 1301280), (15, 1214528), (16, 1138620), (20, 910896), (21, 867520), (24, 759080), (28, 650640), (30, 607264), (32, 569310), (35, 520512), (40, 455448), (42, 433760), (48, 379540), (56, 325320), (60, 303632), (64, 284655), (70, 260256), (80, 227724), (84, 216880), (96, 189770), (105, 173504), (112, 162660), (120, 151816), (140, 130128), (160, 113862), (168, 108440), (192, 94885), (210, 86752), (224, 81330), (240, 75908), (280, 65064), (320, 56931), (336, 54220), (420, 43376), (448, 40665), (480, 37954), (560, 32532), (672, 27110), (840, 21688), (960, 18977), (1120, 16266), (1344, 13555), (1680, 10844), (2240, 8133), (2711, 6720), (3360, 5422)]