17940712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 38491200

約数和(自身を除く): 20550488

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 53, 68, 76, 106, 131, 136, 152, 212, 262, 323, 424, 524, 646, 901, 1007, 1048, 1292, 1802, 2014, 2227, 2489, 2584, 3604, 4028, 4454, 4978, 6943, 7208, 8056, 8908, 9956, 13886, 17119, 17816, 19912, 27772, 34238, 42313, 55544, 68476, 84626, 118031, 131917, 136952, 169252, 236062, 263834, 338504, 472124, 527668, 944248, 1055336, 2242589, 4485178, 8970356, 17940712]

約数ペア:

[(1, 17940712), (2, 8970356), (4, 4485178), (8, 2242589), (17, 1055336), (19, 944248), (34, 527668), (38, 472124), (53, 338504), (68, 263834), (76, 236062), (106, 169252), (131, 136952), (136, 131917), (152, 118031), (212, 84626), (262, 68476), (323, 55544), (424, 42313), (524, 34238), (646, 27772), (901, 19912), (1007, 17816), (1048, 17119), (1292, 13886), (1802, 9956), (2014, 8908), (2227, 8056), (2489, 7208), (2584, 6943), (3604, 4978), (4028, 4454)]