19554012

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 53071200

約数和(自身を除く): 33517188

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 89, 102, 153, 178, 204, 267, 306, 356, 359, 534, 612, 718, 801, 1068, 1077, 1436, 1513, 1602, 2154, 3026, 3204, 3231, 4308, 4539, 6052, 6103, 6462, 9078, 12206, 12924, 13617, 18156, 18309, 24412, 27234, 31951, 36618, 54468, 54927, 63902, 73236, 95853, 109854, 127804, 191706, 219708, 287559, 383412, 543167, 575118, 1086334, 1150236, 1629501, 2172668, 3259002, 4888503, 6518004, 9777006, 19554012]

約数ペア:

[(1, 19554012), (2, 9777006), (3, 6518004), (4, 4888503), (6, 3259002), (9, 2172668), (12, 1629501), (17, 1150236), (18, 1086334), (34, 575118), (36, 543167), (51, 383412), (68, 287559), (89, 219708), (102, 191706), (153, 127804), (178, 109854), (204, 95853), (267, 73236), (306, 63902), (356, 54927), (359, 54468), (534, 36618), (612, 31951), (718, 27234), (801, 24412), (1068, 18309), (1077, 18156), (1436, 13617), (1513, 12924), (1602, 12206), (2154, 9078), (3026, 6462), (3204, 6103), (3231, 6052), (4308, 4539)]