17912940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 52690176

約数和(自身を除く): 34777236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 53, 60, 86, 106, 129, 131, 159, 172, 212, 215, 258, 262, 265, 318, 393, 430, 516, 524, 530, 636, 645, 655, 786, 795, 860, 1060, 1290, 1310, 1572, 1590, 1965, 2279, 2580, 2620, 3180, 3930, 4558, 5633, 6837, 6943, 7860, 9116, 11266, 11395, 13674, 13886, 16899, 20829, 22532, 22790, 27348, 27772, 28165, 33798, 34185, 34715, 41658, 45580, 56330, 67596, 68370, 69430, 83316, 84495, 104145, 112660, 136740, 138860, 168990, 208290, 298549, 337980, 416580, 597098, 895647, 1194196, 1492745, 1791294, 2985490, 3582588, 4478235, 5970980, 8956470, 17912940]

約数ペア:

[(1, 17912940), (2, 8956470), (3, 5970980), (4, 4478235), (5, 3582588), (6, 2985490), (10, 1791294), (12, 1492745), (15, 1194196), (20, 895647), (30, 597098), (43, 416580), (53, 337980), (60, 298549), (86, 208290), (106, 168990), (129, 138860), (131, 136740), (159, 112660), (172, 104145), (212, 84495), (215, 83316), (258, 69430), (262, 68370), (265, 67596), (318, 56330), (393, 45580), (430, 41658), (516, 34715), (524, 34185), (530, 33798), (636, 28165), (645, 27772), (655, 27348), (786, 22790), (795, 22532), (860, 20829), (1060, 16899), (1290, 13886), (1310, 13674), (1572, 11395), (1590, 11266), (1965, 9116), (2279, 7860), (2580, 6943), (2620, 6837), (3180, 5633), (3930, 4558)]