19776204

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 61860960

約数和(自身を除く): 42084756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 49, 54, 63, 74, 84, 98, 101, 108, 111, 126, 147, 148, 189, 196, 202, 222, 252, 259, 294, 303, 333, 378, 404, 441, 444, 518, 588, 606, 666, 707, 756, 777, 882, 909, 999, 1036, 1212, 1323, 1332, 1414, 1554, 1764, 1813, 1818, 1998, 2121, 2331, 2646, 2727, 2828, 3108, 3626, 3636, 3737, 3996, 4242, 4662, 4949, 5292, 5439, 5454, 6363, 6993, 7252, 7474, 8484, 9324, 9898, 10878, 10908, 11211, 12726, 13986, 14847, 14948, 16317, 19089, 19796, 21756, 22422, 25452, 26159, 27972, 29694, 32634, 33633, 38178, 44541, 44844, 48951, 52318, 59388, 65268, 67266, 76356, 78477, 89082, 97902, 100899, 104636, 133623, 134532, 156954, 178164, 183113, 195804, 201798, 235431, 267246, 313908, 366226, 403596, 470862, 534492, 549339, 706293, 732452, 941724, 1098678, 1412586, 1648017, 2197356, 2825172, 3296034, 4944051, 6592068, 9888102, 19776204]

約数ペア:

[(1, 19776204), (2, 9888102), (3, 6592068), (4, 4944051), (6, 3296034), (7, 2825172), (9, 2197356), (12, 1648017), (14, 1412586), (18, 1098678), (21, 941724), (27, 732452), (28, 706293), (36, 549339), (37, 534492), (42, 470862), (49, 403596), (54, 366226), (63, 313908), (74, 267246), (84, 235431), (98, 201798), (101, 195804), (108, 183113), (111, 178164), (126, 156954), (147, 134532), (148, 133623), (189, 104636), (196, 100899), (202, 97902), (222, 89082), (252, 78477), (259, 76356), (294, 67266), (303, 65268), (333, 59388), (378, 52318), (404, 48951), (441, 44844), (444, 44541), (518, 38178), (588, 33633), (606, 32634), (666, 29694), (707, 27972), (756, 26159), (777, 25452), (882, 22422), (909, 21756), (999, 19796), (1036, 19089), (1212, 16317), (1323, 14948), (1332, 14847), (1414, 13986), (1554, 12726), (1764, 11211), (1813, 10908), (1818, 10878), (1998, 9898), (2121, 9324), (2331, 8484), (2646, 7474), (2727, 7252), (2828, 6993), (3108, 6363), (3626, 5454), (3636, 5439), (3737, 5292), (3996, 4949), (4242, 4662)]