19485450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 57451680

約数和(自身を除く): 37966230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 43, 45, 50, 53, 57, 75, 86, 90, 95, 106, 114, 129, 150, 159, 171, 190, 215, 225, 258, 265, 285, 318, 342, 387, 430, 450, 475, 477, 530, 570, 645, 774, 795, 817, 855, 950, 954, 1007, 1075, 1290, 1325, 1425, 1590, 1634, 1710, 1935, 2014, 2150, 2279, 2385, 2451, 2650, 2850, 3021, 3225, 3870, 3975, 4085, 4275, 4558, 4770, 4902, 5035, 6042, 6450, 6837, 7353, 7950, 8170, 8550, 9063, 9675, 10070, 11395, 11925, 12255, 13674, 14706, 15105, 18126, 19350, 20425, 20511, 22790, 23850, 24510, 25175, 30210, 34185, 36765, 40850, 41022, 43301, 45315, 50350, 56975, 61275, 68370, 73530, 75525, 86602, 90630, 102555, 113950, 122550, 129903, 151050, 170925, 183825, 205110, 216505, 226575, 259806, 341850, 367650, 389709, 433010, 453150, 512775, 649515, 779418, 1025550, 1082525, 1299030, 1948545, 2165050, 3247575, 3897090, 6495150, 9742725, 19485450]

約数ペア:

[(1, 19485450), (2, 9742725), (3, 6495150), (5, 3897090), (6, 3247575), (9, 2165050), (10, 1948545), (15, 1299030), (18, 1082525), (19, 1025550), (25, 779418), (30, 649515), (38, 512775), (43, 453150), (45, 433010), (50, 389709), (53, 367650), (57, 341850), (75, 259806), (86, 226575), (90, 216505), (95, 205110), (106, 183825), (114, 170925), (129, 151050), (150, 129903), (159, 122550), (171, 113950), (190, 102555), (215, 90630), (225, 86602), (258, 75525), (265, 73530), (285, 68370), (318, 61275), (342, 56975), (387, 50350), (430, 45315), (450, 43301), (475, 41022), (477, 40850), (530, 36765), (570, 34185), (645, 30210), (774, 25175), (795, 24510), (817, 23850), (855, 22790), (950, 20511), (954, 20425), (1007, 19350), (1075, 18126), (1290, 15105), (1325, 14706), (1425, 13674), (1590, 12255), (1634, 11925), (1710, 11395), (1935, 10070), (2014, 9675), (2150, 9063), (2279, 8550), (2385, 8170), (2451, 7950), (2650, 7353), (2850, 6837), (3021, 6450), (3225, 6042), (3870, 5035), (3975, 4902), (4085, 4770), (4275, 4558)]