19890864

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{2819}}^1$

素因数の和:2847

約数の個数: 90

約数和(自身を含む): 64778220

約数和(自身を除く): 44887356

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 2819, 3528, 5638, 7056, 8457, 11276, 16914, 19733, 22552, 25371, 33828, 39466, 45104, 50742, 59199, 67656, 78932, 101484, 118398, 135312, 138131, 157864, 177597, 202968, 236796, 276262, 315728, 355194, 405936, 414393, 473592, 552524, 710388, 828786, 947184, 1105048, 1243179, 1420776, 1657572, 2210096, 2486358, 2841552, 3315144, 4972716, 6630288, 9945432, 19890864]

約数ペア:

[(1, 19890864), (2, 9945432), (3, 6630288), (4, 4972716), (6, 3315144), (7, 2841552), (8, 2486358), (9, 2210096), (12, 1657572), (14, 1420776), (16, 1243179), (18, 1105048), (21, 947184), (24, 828786), (28, 710388), (36, 552524), (42, 473592), (48, 414393), (49, 405936), (56, 355194), (63, 315728), (72, 276262), (84, 236796), (98, 202968), (112, 177597), (126, 157864), (144, 138131), (147, 135312), (168, 118398), (196, 101484), (252, 78932), (294, 67656), (336, 59199), (392, 50742), (441, 45104), (504, 39466), (588, 33828), (784, 25371), (882, 22552), (1008, 19733), (1176, 16914), (1764, 11276), (2352, 8457), (2819, 7056), (3528, 5638)]