18930870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:370

約数の個数: 96

約数和(自身を含む): 56908800

約数和(自身を除く): 37977930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 151, 199, 210, 302, 315, 398, 453, 597, 630, 755, 906, 995, 1057, 1194, 1359, 1393, 1510, 1791, 1990, 2114, 2265, 2718, 2786, 2985, 3171, 3582, 4179, 4530, 5285, 5970, 6342, 6795, 6965, 8358, 8955, 9513, 10570, 12537, 13590, 13930, 15855, 17910, 19026, 20895, 25074, 30049, 31710, 41790, 47565, 60098, 62685, 90147, 95130, 125370, 150245, 180294, 210343, 270441, 300490, 420686, 450735, 540882, 631029, 901470, 1051715, 1262058, 1352205, 1893087, 2103430, 2704410, 3155145, 3786174, 6310290, 9465435, 18930870]

約数ペア:

[(1, 18930870), (2, 9465435), (3, 6310290), (5, 3786174), (6, 3155145), (7, 2704410), (9, 2103430), (10, 1893087), (14, 1352205), (15, 1262058), (18, 1051715), (21, 901470), (30, 631029), (35, 540882), (42, 450735), (45, 420686), (63, 300490), (70, 270441), (90, 210343), (105, 180294), (126, 150245), (151, 125370), (199, 95130), (210, 90147), (302, 62685), (315, 60098), (398, 47565), (453, 41790), (597, 31710), (630, 30049), (755, 25074), (906, 20895), (995, 19026), (1057, 17910), (1194, 15855), (1359, 13930), (1393, 13590), (1510, 12537), (1791, 10570), (1990, 9513), (2114, 8955), (2265, 8358), (2718, 6965), (2786, 6795), (2985, 6342), (3171, 5970), (3582, 5285), (4179, 4530)]