19657968

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1254

約数の個数: 80

約数和(自身を含む): 57234432

約数和(自身を除く): 37576464

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 248, 264, 341, 372, 496, 528, 682, 744, 1023, 1201, 1364, 1488, 2046, 2402, 2728, 3603, 4092, 4804, 5456, 7206, 8184, 9608, 13211, 14412, 16368, 19216, 26422, 28824, 37231, 39633, 52844, 57648, 74462, 79266, 105688, 111693, 148924, 158532, 211376, 223386, 297848, 317064, 409541, 446772, 595696, 634128, 819082, 893544, 1228623, 1638164, 1787088, 2457246, 3276328, 4914492, 6552656, 9828984, 19657968]

約数ペア:

[(1, 19657968), (2, 9828984), (3, 6552656), (4, 4914492), (6, 3276328), (8, 2457246), (11, 1787088), (12, 1638164), (16, 1228623), (22, 893544), (24, 819082), (31, 634128), (33, 595696), (44, 446772), (48, 409541), (62, 317064), (66, 297848), (88, 223386), (93, 211376), (124, 158532), (132, 148924), (176, 111693), (186, 105688), (248, 79266), (264, 74462), (341, 57648), (372, 52844), (496, 39633), (528, 37231), (682, 28824), (744, 26422), (1023, 19216), (1201, 16368), (1364, 14412), (1488, 13211), (2046, 9608), (2402, 8184), (2728, 7206), (3603, 5456), (4092, 4804)]