17937843

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 32378880

約数和(自身を除く): 14441037

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 61, 67, 77, 133, 183, 201, 209, 231, 399, 427, 469, 627, 671, 737, 1159, 1273, 1281, 1407, 1463, 2013, 2211, 3477, 3819, 4087, 4389, 4697, 5159, 8113, 8911, 12261, 12749, 14003, 14091, 15477, 24339, 26733, 28609, 38247, 42009, 44957, 77653, 85827, 89243, 98021, 134871, 232959, 267729, 294063, 314699, 543571, 854183, 944097, 1630713, 2562549, 5979281, 17937843]

約数ペア:

[(1, 17937843), (3, 5979281), (7, 2562549), (11, 1630713), (19, 944097), (21, 854183), (33, 543571), (57, 314699), (61, 294063), (67, 267729), (77, 232959), (133, 134871), (183, 98021), (201, 89243), (209, 85827), (231, 77653), (399, 44957), (427, 42009), (469, 38247), (627, 28609), (671, 26733), (737, 24339), (1159, 15477), (1273, 14091), (1281, 14003), (1407, 12749), (1463, 12261), (2013, 8911), (2211, 8113), (3477, 5159), (3819, 4697), (4087, 4389)]