19403958

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 27252042

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 89, 174, 178, 179, 203, 267, 358, 406, 534, 537, 609, 623, 1074, 1218, 1246, 1253, 1869, 2506, 2581, 3738, 3759, 5162, 5191, 7518, 7743, 10382, 15486, 15573, 15931, 18067, 31146, 31862, 36134, 36337, 47793, 54201, 72674, 95586, 108402, 109011, 111517, 218022, 223034, 334551, 461999, 669102, 923998, 1385997, 2771994, 3233993, 6467986, 9701979, 19403958]

約数ペア:

[(1, 19403958), (2, 9701979), (3, 6467986), (6, 3233993), (7, 2771994), (14, 1385997), (21, 923998), (29, 669102), (42, 461999), (58, 334551), (87, 223034), (89, 218022), (174, 111517), (178, 109011), (179, 108402), (203, 95586), (267, 72674), (358, 54201), (406, 47793), (534, 36337), (537, 36134), (609, 31862), (623, 31146), (1074, 18067), (1218, 15931), (1246, 15573), (1253, 15486), (1869, 10382), (2506, 7743), (2581, 7518), (3738, 5191), (3759, 5162)]