19971090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 59616000

約数和(自身を除く): 39644910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 27, 30, 34, 38, 45, 51, 54, 57, 85, 90, 95, 102, 114, 135, 153, 170, 171, 190, 229, 255, 270, 285, 306, 323, 342, 458, 459, 510, 513, 570, 646, 687, 765, 855, 918, 969, 1026, 1145, 1374, 1530, 1615, 1710, 1938, 2061, 2290, 2295, 2565, 2907, 3230, 3435, 3893, 4122, 4351, 4590, 4845, 5130, 5814, 6183, 6870, 7786, 8702, 8721, 9690, 10305, 11679, 12366, 13053, 14535, 17442, 19465, 20610, 21755, 23358, 26106, 29070, 30915, 35037, 38930, 39159, 43510, 43605, 58395, 61830, 65265, 70074, 73967, 78318, 87210, 105111, 116790, 117477, 130530, 147934, 175185, 195795, 210222, 221901, 234954, 350370, 369835, 391590, 443802, 525555, 587385, 665703, 739670, 1051110, 1109505, 1174770, 1331406, 1997109, 2219010, 3328515, 3994218, 6657030, 9985545, 19971090]

約数ペア:

[(1, 19971090), (2, 9985545), (3, 6657030), (5, 3994218), (6, 3328515), (9, 2219010), (10, 1997109), (15, 1331406), (17, 1174770), (18, 1109505), (19, 1051110), (27, 739670), (30, 665703), (34, 587385), (38, 525555), (45, 443802), (51, 391590), (54, 369835), (57, 350370), (85, 234954), (90, 221901), (95, 210222), (102, 195795), (114, 175185), (135, 147934), (153, 130530), (170, 117477), (171, 116790), (190, 105111), (229, 87210), (255, 78318), (270, 73967), (285, 70074), (306, 65265), (323, 61830), (342, 58395), (458, 43605), (459, 43510), (510, 39159), (513, 38930), (570, 35037), (646, 30915), (687, 29070), (765, 26106), (855, 23358), (918, 21755), (969, 20610), (1026, 19465), (1145, 17442), (1374, 14535), (1530, 13053), (1615, 12366), (1710, 11679), (1938, 10305), (2061, 9690), (2290, 8721), (2295, 8702), (2565, 7786), (2907, 6870), (3230, 6183), (3435, 5814), (3893, 5130), (4122, 4845), (4351, 4590)]