18756496

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 24097904

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 71, 76, 79, 88, 142, 152, 158, 176, 209, 284, 304, 316, 418, 568, 632, 781, 836, 869, 1136, 1264, 1349, 1501, 1562, 1672, 1738, 2698, 3002, 3124, 3344, 3476, 5396, 5609, 6004, 6248, 6952, 10792, 11218, 12008, 12496, 13904, 14839, 16511, 21584, 22436, 24016, 29678, 33022, 44872, 59356, 61699, 66044, 89744, 106571, 118712, 123398, 132088, 213142, 237424, 246796, 264176, 426284, 493592, 852568, 987184, 1172281, 1705136, 2344562, 4689124, 9378248, 18756496]

約数ペア:

[(1, 18756496), (2, 9378248), (4, 4689124), (8, 2344562), (11, 1705136), (16, 1172281), (19, 987184), (22, 852568), (38, 493592), (44, 426284), (71, 264176), (76, 246796), (79, 237424), (88, 213142), (142, 132088), (152, 123398), (158, 118712), (176, 106571), (209, 89744), (284, 66044), (304, 61699), (316, 59356), (418, 44872), (568, 33022), (632, 29678), (781, 24016), (836, 22436), (869, 21584), (1136, 16511), (1264, 14839), (1349, 13904), (1501, 12496), (1562, 12008), (1672, 11218), (1738, 10792), (2698, 6952), (3002, 6248), (3124, 6004), (3344, 5609), (3476, 5396)]