19945548

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{3769}}^1$

素因数の和:3796

約数の個数: 72

約数和(自身を含む): 60169200

約数和(自身を除く): 40223652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 3769, 5292, 7538, 11307, 15076, 22614, 26383, 33921, 45228, 52766, 67842, 79149, 101763, 105532, 135684, 158298, 184681, 203526, 237447, 316596, 369362, 407052, 474894, 554043, 712341, 738724, 949788, 1108086, 1424682, 1662129, 2216172, 2849364, 3324258, 4986387, 6648516, 9972774, 19945548]

約数ペア:

[(1, 19945548), (2, 9972774), (3, 6648516), (4, 4986387), (6, 3324258), (7, 2849364), (9, 2216172), (12, 1662129), (14, 1424682), (18, 1108086), (21, 949788), (27, 738724), (28, 712341), (36, 554043), (42, 474894), (49, 407052), (54, 369362), (63, 316596), (84, 237447), (98, 203526), (108, 184681), (126, 158298), (147, 135684), (189, 105532), (196, 101763), (252, 79149), (294, 67842), (378, 52766), (441, 45228), (588, 33921), (756, 26383), (882, 22614), (1323, 15076), (1764, 11307), (2646, 7538), (3769, 5292)]