19545372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{641}}^1$

素因数の和:680

約数の個数: 108

約数和(自身を含む): 62161008

約数和(自身を除く): 42615636

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 121, 126, 132, 154, 198, 231, 242, 252, 308, 363, 396, 462, 484, 641, 693, 726, 847, 924, 1089, 1282, 1386, 1452, 1694, 1923, 2178, 2541, 2564, 2772, 3388, 3846, 4356, 4487, 5082, 5769, 7051, 7623, 7692, 8974, 10164, 11538, 13461, 14102, 15246, 17948, 21153, 23076, 26922, 28204, 30492, 40383, 42306, 49357, 53844, 63459, 77561, 80766, 84612, 98714, 126918, 148071, 155122, 161532, 197428, 232683, 253836, 296142, 310244, 444213, 465366, 542927, 592284, 698049, 888426, 930732, 1085854, 1396098, 1628781, 1776852, 2171708, 2792196, 3257562, 4886343, 6515124, 9772686, 19545372]

約数ペア:

[(1, 19545372), (2, 9772686), (3, 6515124), (4, 4886343), (6, 3257562), (7, 2792196), (9, 2171708), (11, 1776852), (12, 1628781), (14, 1396098), (18, 1085854), (21, 930732), (22, 888426), (28, 698049), (33, 592284), (36, 542927), (42, 465366), (44, 444213), (63, 310244), (66, 296142), (77, 253836), (84, 232683), (99, 197428), (121, 161532), (126, 155122), (132, 148071), (154, 126918), (198, 98714), (231, 84612), (242, 80766), (252, 77561), (308, 63459), (363, 53844), (396, 49357), (462, 42306), (484, 40383), (641, 30492), (693, 28204), (726, 26922), (847, 23076), (924, 21153), (1089, 17948), (1282, 15246), (1386, 14102), (1452, 13461), (1694, 11538), (1923, 10164), (2178, 8974), (2541, 7692), (2564, 7623), (2772, 7051), (3388, 5769), (3846, 5082), (4356, 4487)]