18604908

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 108

約数和(自身を含む): 56019600

約数和(自身を除く): 37414692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 53, 63, 84, 98, 106, 126, 147, 159, 196, 199, 212, 252, 294, 318, 371, 398, 441, 477, 588, 597, 636, 742, 796, 882, 954, 1113, 1194, 1393, 1484, 1764, 1791, 1908, 2226, 2388, 2597, 2786, 3339, 3582, 4179, 4452, 5194, 5572, 6678, 7164, 7791, 8358, 9751, 10388, 10547, 12537, 13356, 15582, 16716, 19502, 21094, 23373, 25074, 29253, 31164, 31641, 39004, 42188, 46746, 50148, 58506, 63282, 73829, 87759, 93492, 94923, 117012, 126564, 147658, 175518, 189846, 221487, 295316, 351036, 379692, 442974, 516803, 664461, 885948, 1033606, 1328922, 1550409, 2067212, 2657844, 3100818, 4651227, 6201636, 9302454, 18604908]

約数ペア:

[(1, 18604908), (2, 9302454), (3, 6201636), (4, 4651227), (6, 3100818), (7, 2657844), (9, 2067212), (12, 1550409), (14, 1328922), (18, 1033606), (21, 885948), (28, 664461), (36, 516803), (42, 442974), (49, 379692), (53, 351036), (63, 295316), (84, 221487), (98, 189846), (106, 175518), (126, 147658), (147, 126564), (159, 117012), (196, 94923), (199, 93492), (212, 87759), (252, 73829), (294, 63282), (318, 58506), (371, 50148), (398, 46746), (441, 42188), (477, 39004), (588, 31641), (597, 31164), (636, 29253), (742, 25074), (796, 23373), (882, 21094), (954, 19502), (1113, 16716), (1194, 15582), (1393, 13356), (1484, 12537), (1764, 10547), (1791, 10388), (1908, 9751), (2226, 8358), (2388, 7791), (2597, 7164), (2786, 6678), (3339, 5572), (3582, 5194), (4179, 4452)]